This topic describes the features of compute-optimized instance families of Elastic Compute Service (ECS) and lists the instance types of each instance family.
Recommended instance families
Other available instance families (If the following instance families are sold out, you can use the recommended instance families.)
c8a, compute-optimized instance family
Features:
This instance family uses the innovative CIPU architecture developed by Alibaba Cloud to provide stable computing power, a more robust I/O engine, and chip-level security hardening.
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses 2.7 GHz AMD EPYCTM Genoa processors that deliver a turbo frequency of up to 3.7 GHz to provide consistent computing performance.
Allows you to enable or disable Hyper-Threading.
NoteBy default, Hyper-Threading is enabled for ECS instances. For more information, see Specify and view CPU options.
Storage:
Is an instance family in which all instances are I/O optimized.
ESSDs and ESSD AutoPL disks are supported.
ImportantESSDs and ESSD AutoPL disks are attached based on the Non-Volatile Memory Express (NVMe) protocol and support the multi-attach feature to meet the requirements of core enterprise business. For more information, see NVMe disks and Enable multi-attach.
ESSD AutoPL disks for which the multi-attach feature is enabled do not support the performance burst feature. For more information about the multi-attach feature, see NVMe disks.
Provides disk burstable IOPS and burstable bandwidth capabilities for low-specification instances.
Provides high storage I/O performance based on large computing capacity.
NoteFor information about the storage I/O performance of the next-generation enterprise-level instance families, see Storage I/O performance.
Network:
Supports IPv4 and IPv6.
Supports elastic RDMA interfaces (ERIs).
Supports jumbo frames.
NoteJumbo frames are Ethernet frames that have more than 1500 bytes of payload, the limit set by the IEEE 802.3 standard. Jumbo frames increase the payload size per packet and the percentage of the packet that is not packet overhead to provide high throughput and high network performance. For information about how to enable jumbo frames, see the "Jumbo frames" section in MTUs.
Provides ultra-high packet forwarding rates.
Provides network burstable bandwidth capabilities for low-specification instances.
Provides high network performance based on large computing capacity.
Security:
Supports the virtual Trusted Platform Module (vTPM) feature and implements trusted boot based on Trusted Cryptography Module (TCM) or TPM chips to provide ultra-high security capabilities. During a trusted boot, all modules in the boot chain from the underlying server to the ECS instance are measured and verified.
Supports the AMD Secure Encrypted Virtualization (SEV) feature to provide runtime protection for data and applications.
NoteThe AMD SEV feature is in invitational preview. To use the feature, go to the AMD SEV invitational preview page to apply for a trial use.
Supported scenarios:
Big data applications
Web applications
AI training and inference
Audio and video transcoding applications
Instance types
Instance type | vCPU | Memory (GiB) | Baseline/burst bandwidth (Gbit/s) | Packet forwarding rate (pps) | Connections | NIC queues | ENIs | Private IPv4 addresses per ENI | IPv6 addresses per ENI | Disk baseline/burst IOPS | Disk baseline/burst bandwidth (Gbit/s) |
ecs.c8a.large | 2 | 4 | 1.5/burstable up to 12.5 | 900,000 | Up to 250,000 | 2 | 3 | 6 | 6 | 20,000/burstable up to 110,000 | 1.5/burstable up to 10 |
ecs.c8a.xlarge | 4 | 8 | 2.5/burstable up to 12.5 | 1,000,000 | Up to 250,000 | 4 | 4 | 6 | 6 | 30,000/burstable up to 110,000 | 2/burstable up to 10 |
ecs.c8a.2xlarge | 8 | 16 | 4/burstable up to 12.5 | 1,600,000 | Up to 250,000 | 8 | 4 | 15 | 15 | 45,000/burstable up to 110,000 | 2.5/burstable up to 10 |
ecs.c8a.4xlarge | 16 | 32 | 7/burstable up to 12.5 | 2,000,000 | 300,000 | 16 | 8 | 30 | 30 | 60,000/burstable up to 110,000 | 3.5/burstable up to 10 |
ecs.c8a.8xlarge | 32 | 64 | 10/burstable up to 25 | 3,000,000 | 600,000 | 32 | 8 | 30 | 30 | 80,000/burstable up to 110,000 | 5/burstable up to 10 |
ecs.c8a.12xlarge | 48 | 96 | 16/25 | 4,500,000 | 750,000 | 48 | 8 | 30 | 30 | 120,000/none | 8/burstable up to 10 |
ecs.c8a.16xlarge | 64 | 128 | 20/25 | 6,000,000 | 1,000,000 | 64 | 8 | 30 | 30 | 160,000/none | 10/none |
ecs.c8a.24xlarge | 96 | 192 | 32/none | 9,000,000 | 1,500,000 | 64 | 15 | 30 | 30 | 240,000/none | 16/none |
ecs.c8a.32xlarge | 128 | 256 | 40/none | 12,000,000 | 2,000,000 | 64 | 15 | 30 | 30 | 320,000/none | 20/none |
ecs.c8a.48xlarge | 192 | 384 | 64/none | 18,000,000 | 3,000,000 | 64 | 15 | 30 | 30 | 500,000/none | 32/none |
You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.
For more information about these specifications, see the "Instance type specifications" section in Overview of instance families.
You can change between instance types within the c8a instance family.
For ecs.c8a.large and ecs.c8a.xlarge instances, you must enable Jumbo Frames before the instances can burst their network bandwidths to 12.5 Gbit/s. For more information, see the "Jumbo frames" section in MTUs.
c8i, compute-optimized instance family
Features:
This instance family uses the innovative CIPU architecture developed by Alibaba Cloud to provide stable computing power, a more robust I/O engine, and chip-level security hardening.
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses the fourth-generation Intel® Xeon® Scalable (Sapphire Rapids) processors that deliver a base frequency of 2.7 GHz and an all-core turbo frequency of 3.2 GHz to provide consistent computing performance.
Allows you to enable or disable Hyper-Threading.
NoteBy default, Hyper-Threading is enabled for ECS instances. For more information, see Specify and view CPU options.
Storage:
Is an instance family in which all instances are I/O optimized.
ESSDs and ESSD AutoPL disks are supported.
ImportantESSDs and ESSD AutoPL disks are attached based on the Non-Volatile Memory Express (NVMe) protocol and support the multi-attach feature to meet the requirements of core enterprise business. For more information, see NVMe disks and Enable multi-attach.
ESSD AutoPL disks for which the multi-attach feature is enabled do not support the performance burst feature. For more information about the multi-attach feature, see NVMe disks.
Provides disk burstable IOPS and burstable bandwidth capabilities for low-specification instances.
Provides high storage I/O performance based on large computing capacity.
NoteFor information about the storage I/O performance of the next-generation enterprise-level instance families, see Storage I/O performance.
Network:
Supports IPv4 and IPv6.
Supports ERIs.
Supports jumbo frames.
NoteJumbo frames are Ethernet frames that have more than 1500 bytes of payload, the limit set by the IEEE 802.3 standard. Jumbo frames increase the payload size per packet and the percentage of the packet that is not packet overhead to provide high throughput and high network performance. For information about how to enable jumbo frames, see the "Jumbo frames" section in MTUs.
Provides network burstable bandwidth capabilities for low-specification instances.
Provides high network performance based on large computing capacity.
Security:
This instance family supports the vTPM feature and implements trusted boot based on TCM or TPM chips to provide ultra-high security capabilities. During a trusted boot, all modules in the boot chain from the underlying server to the ECS instance are measured and verified.
Supports Intel Total Memory Encryption (TME) to encrypt memory.
Supported scenarios:
Machine learning inference applications
Data analytics, batch processing, and video encoding
Frontend game servers
High-performance scientific and engineering applications
Frontend web servers
Instance types
Instance type | vCPU | Memory (GiB) | Baseline/burst bandwidth (Gbit/s) | Packet forwarding rate (pps) | Connections | NIC queues | ENIs | Private IPv4 addresses per ENI | IPv6 addresses per ENI | Disk baseline/burst IOPS | Disk baseline/burst bandwidth (Gbit/s) |
ecs.c8i.large | 2 | 4 | 2.5/burstable up to 15 | 1,000,000 | Up to 300,000 | 2 | 3 | 6 | 6 | 25,000/burstable up to 200,000 | 2/burstable up to 10 |
ecs.c8i.xlarge | 4 | 8 | 4/burstable up to 15 | 1,200,000 | Up to 300,000 | 4 | 4 | 15 | 15 | 50,000/burstable up to 200,000 | 2.5/burstable up to 10 |
ecs.c8i.2xlarge | 8 | 16 | 6/burstable up to 15 | 1,600,000 | Up to 300,000 | 8 | 4 | 15 | 15 | 60,000/burstable up to 200,000 | 4/burstable up to 10 |
ecs.c8i.3xlarge | 12 | 24 | 10/burstable up to 15 | 2,400,000 | Up to 300,000 | 12 | 8 | 15 | 15 | 80,000/burstable up to 200,000 | 5/burstable up to 10 |
ecs.c8i.4xlarge | 16 | 32 | 12/burstable up to 25 | 3,000,000 | 350,000 | 16 | 8 | 30 | 30 | 100,000/burstable up to 200,000 | 6/burstable up to 10 |
ecs.c8i.6xlarge | 24 | 48 | 15/burstable up to 25 | 4,500,000 | 500,000 | 24 | 8 | 30 | 30 | 120,000/burstable up to 200,000 | 7.5/burstable up to 10 |
ecs.c8i.8xlarge | 32 | 64 | 20/burstable up to 25 | 6,000,000 | 800,000 | 32 | 8 | 30 | 30 | 200,000/none | 10/none |
ecs.c8i.12xlarge | 48 | 96 | 25/none | 9,000,000 | 1,000,000 | 48 | 8 | 30 | 30 | 300,000/none | 12/none |
ecs.c8i.16xlarge | 64 | 128 | 32/none | 12,000,000 | 1,600,000 | 64 | 8 | 30 | 30 | 360,000/none | 20/none |
ecs.c8i.24xlarge | 96 | 192 | 50/none | 18,000,000 | 2,000,000 | 64 | 15 | 30 | 30 | 500,000/none | 24/none |
ecs.c8i.48xlarge | 192 | 512 | 100/none | 30,000,000 | 4,000,000 | 64 | 15 | 50 | 50 | 1,000,000/none | 48/none |
You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.
For more information about these specifications, see the "Instance type specifications" section in Overview of instance families.
You can change between instance types within the c8i instance family.
c8ae, performance-enhanced compute-optimized instance family
Features:
This instance family uses the innovative CIPU architecture developed by Alibaba Cloud to provide stable computing power, a more robust I/O engine, and chip-level security hardening.
This instance family allows enhanced SSDs (ESSDs) to be attached based on the Non-Volatile Memory Express (NVMe) protocol and supports the multi-attach feature to meet the requirements of critical enterprise business. For more information, see NVMe disks and Enable multi-attach.
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses 3.4 GHz AMD EPYCTM Genoa processors that deliver a maximum single-core turbo frequency of 3.75 GHz to provide consistent computing performance.
Allows you to enable or disable Hyper-Threading.
NoteBy default, Hyper-Threading is enabled for ECS instances. For more information, see Specify and view CPU options.
Storage:
Is an instance family in which all instances are I/O optimized.
ESSDs and ESSD AutoPL disks are supported.
ImportantESSDs and ESSD AutoPL disks are attached based on the Non-Volatile Memory Express (NVMe) protocol and support the multi-attach feature to meet the requirements of core enterprise business. For more information, see NVMe disks and Enable multi-attach.
ESSD AutoPL disks for which the multi-attach feature is enabled do not support the performance burst feature. For more information about the multi-attach feature, see NVMe disks.
Provides disk burstable IOPS and burstable bandwidth capabilities for low-specification instances.
Provides high storage I/O performance based on large computing capacity.
NoteFor information about the storage I/O performance of the next-generation enterprise-level instance families, see Storage I/O performance.
Network:
Supports IPv4 and IPv6.
Supports ERIs.
Supports jumbo frames.
NoteJumbo frames are Ethernet frames that have more than 1500 bytes of payload, the limit set by the IEEE 802.3 standard. Jumbo frames increase the payload size per packet and the percentage of the packet that is not packet overhead to provide high throughput and high network performance. For information about how to enable jumbo frames, see the "Jumbo frames" section in MTUs.
Provides ultra-high packet forwarding rates.
Provides network burstable bandwidth capabilities for low-specification instances.
Provides high network performance based on large computing capacity.
Security:
This instance family supports the vTPM feature and implements trusted boot based on TCM or TPM chips to provide ultra-high security capabilities. During a trusted boot, all modules in the boot chain from the underlying server to the ECS instance are measured and verified.
Supports Intel TME to encrypt memory.
Supported scenarios:
AI scenarios, such as deep learning and training, and AI inference
High-performance scientific computing scenarios such as high-performance computing (HPC)
Large and medium-sized database systems, caches, and search clusters
Large online game servers
Other general-purpose enterprise-level applications that have high performance requirements
Instance types
Instance type | vCPU | Memory (GiB) | Baseline/burst bandwidth (Gbit/s) | Packet forwarding rate (pps) | Support for vTPM | Connections | NIC queues | ENIs | Private IPv4 addresses per ENI | IPv6 addresses per ENI | Disk baseline/burst IOPS | Disk baseline/burst bandwidth (Gbit/s) |
ecs.c8ae.large | 2 | 4 | 3/burstable up to 15 | 1,000,000 | Yes | Up to 300,000 | 2 | 3 | 6 | 6 | 30,000/burstable up to 200,000 | 2/burstable up to 10 |
ecs.c8ae.xlarge | 4 | 8 | 4/burstable up to 15 | 1,200,000 | Yes | Up to 300,000 | 4 | 4 | 15 | 15 | 50,000/burstable up to 200,000 | 2.5/burstable up to 10 |
ecs.c8ae.2xlarge | 8 | 16 | 6/burstable up to 15 | 1,600,000 | Yes | Up to 300,000 | 8 | 4 | 15 | 15 | 60,000/burstable up to 200,000 | 3/burstable up to 10 |
ecs.c8ae.4xlarge | 16 | 32 | 12/burstable up to 25 | 3,000,000 | Yes | 500,000 | 16 | 8 | 30 | 30 | 100,000/burstable up to 200,000 | 6/burstable up to 10 |
ecs.c8ae.8xlarge | 32 | 64 | 20/burstable up to 25 | 6,000,000 | Yes | 1,000,000 | 32 | 8 | 30 | 30 | 200,000/none | 10/none |
ecs.c8ae.16xlarge | 64 | 128 | 32/none | 9,000,000 | Yes | 1,500,000 | 64 | 8 | 30 | 30 | 250,000/none | 16/none |
ecs.c8ae.32xlarge | 128 | 256 | 64/none | 18,000,000 | Yes | 3,000,000 | 64 | 15 | 30 | 30 | 500,000/none | 32/none |
You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.
For more information about these specifications, see the "Instance type specifications" section in Overview of instance families.
You can change between instance types within the c8ae instance family.
For ecs.c8ae.large and ecs.c8ae.xlarge instances, you must enable Jumbo Frames before the instances can burst their network bandwidths to 15 Gbit/s. For more information, see the "Jumbo frames" section in MTUs.
c8y, compute-optimized instance family
Features:
This instance family uses in-house ARM-based YiTian 710 processors and the fourth-generation SHENLONG architecture to provide predictable and consistent ultra-high performance. This instance family utilizes fast path acceleration on chips to improve storage performance, network performance, and computing stability by an order of magnitude.
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses 2.75 GHz YiTian 710 processors to provide consistent computing performance.
Storage:
Is an instance family in which all instances are I/O optimized.
ESSDs and ESSD AutoPL disks are supported.
ImportantESSDs and ESSD AutoPL disks are attached based on the Non-Volatile Memory Express (NVMe) protocol and support the multi-attach feature to meet the requirements of core enterprise business. For more information, see NVMe disks and Enable multi-attach.
ESSD AutoPL disks for which the multi-attach feature is enabled do not support the performance burst feature. For more information about the multi-attach feature, see NVMe disks.
Provides high storage I/O performance based on large computing capacity.
Allows ESSDs to be attached based on the NVMe protocol and supports the multi-attach feature to meet the requirements of core enterprise business. For more information, see NVMe disks and Enable multi-attach.
Network:
Supports IPv6.
Provides ultra-high packet forwarding rates.
Provides network burstable bandwidth capabilities for low-specification instances.
Provides high network performance based on large computing capacity.
Supports elastic RDMA (eRDMA) and only a single ERI per instance.
Supported scenarios:
Containers and microservices
Websites and application servers
Video encoding and decoding
High-performance computing
CPU-based machine learning
YiTian ECS Booster:
After you select Booster, the applications that you select are automatically deployed on your YiTian instances and are individually performance-tuned by KeenTune.
KeenTune is a full-stack operating system tuning software powered by a knowledge base that collects knowledge and experience from experts across multiple fields at Alibaba Cloud. KeenTune provides full-stack performance tuning for YiTian instances in terms of CPUs, memory, I/O, and networks based on the instance characteristics and helps tune applications to optimize the runtime for your business.
Full-stack performance tuning for Booster maximizes the performance benefits of YiTian instances and improves performance by about 20% on the average in typical scenarios such as the use of MySQL, NGINX, Redis, and PostgreSQL to help you reduce costs and increase efficiency.
If you do not want to use the feature after you purchase an instance, you can run
/tmp/keentune_remove.shon the instance to uninstall KeenTune and relevant applications. For more information about KeenTune, see KeenTune.
Instance types
Instance type | vCPU | Memory (GiB) | Baseline/burst bandwidth (Gbit/s) | Packet forwarding rate (pps) | Connections | NIC queues | ENIs | ERIs | Private IPv4 addresses per ENI | IPv6 addresses per ENI | Maximum attached data disks | Disk baseline/burst IOPS | Disk baseline/burst bandwidth (Gbit/s) |
ecs.c8y.small | 1 | 2 | 1/10 | 500,000 | Up to 250,000 | 1 | 2 | 0 | 3 | 3 | 5 | 10,000/burstable up to 110,000 | 1/burstable up to 6 |
ecs.c8y.large | 2 | 4 | 2/10 | 900,000 | Up to 250,000 | 2 | 3 | 1 | 6 | 6 | 8 | 20,000/burstable up to 110,000 | 1.5/burstable up to 6 |
ecs.c8y.xlarge | 4 | 8 | 3/10 | 1,000,000 | Up to 250,000 | 4 | 4 | 1 | 15 | 15 | 8 | 40,000/burstable up to 110,000 | 2/burstable up to 6 |
ecs.c8y.2xlarge | 8 | 16 | 5/10 | 1,600,000 | Up to 250,000 | 8 | 4 | 1 | 15 | 15 | 16 | 50,000/burstable up to 110,000 | 3/burstable up to 6 |
ecs.c8y.4xlarge | 16 | 32 | 10/16 | 3,000,000 | 400,000 | 16 | 8 | 1 | 30 | 30 | 16 | 80,000/burstable up to 110,000 | 5/burstable up to 6 |
ecs.c8y.8xlarge | 32 | 64 | 16/none | 5,000,000 | 750,000 | 32 | 8 | 1 | 30 | 30 | 16 | 125,000 | 8 |
ecs.c8y.16xlarge | 64 | 128 | 32/none | 10,000,000 | 1,500,000 | 32 | 8 | 1 | 30 | 30 | 32 | 250,000 | 16 |
ecs.c8y.32xlarge | 128 | 256 | 64/none | 20,000,000 | 3,000,000 | 32 | 15 | 1 | 30 | 30 | 32 | 500,000 | 32 |
You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.
For more information about these specifications, see the "Instance type specifications" section in Overview of instance families.
You can change between instance types within the c8y instance family.
c7se, storage-enhanced compute-optimized instance family
Features:
This instance family uses the third-generation SHENLONG architecture and Intel Ice Lake processors to improve storage I/O performance.
This instance family delivers a sequential read/write throughput of up to 64 Gbit/s and up to 1,000,000 IOPS per instance.
This instance family allows ESSDs to be attached based on the NVMe protocol and supports the multi-attach feature to meet the requirements of core enterprise business. For information about how to enable multi-attach, see Enable multi-attach.
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses the third-generation Intel® Xeon® Scalable (Ice Lake) processors that deliver a base frequency of 2.9 GHz and an all-core turbo frequency of 3.5 GHz to provide consistent computing performance.
Allows you to enable or disable Hyper-Threading.
NoteBy default, Hyper-Threading is enabled for ECS instances. For more information, see Specify and view CPU options.
Storage:
Is an instance family in which all instances are I/O optimized.
ESSDs and ESSD AutoPL disks are supported.
ImportantESSDs and ESSD AutoPL disks are attached based on the Non-Volatile Memory Express (NVMe) protocol and support the multi-attach feature to meet the requirements of core enterprise business. For more information, see NVMe disks and Enable multi-attach.
ESSD AutoPL disks for which the multi-attach feature is enabled do not support the performance burst feature. For more information about the multi-attach feature, see NVMe disks.
Allows a maximum of 64 data disks to be attached per instance. When you create an instance, you can attach a maximum of 16 data disks to the instance. If the instance requires more data disks, you can attach more data disks after the instance is created. For more information, see Attach a data disk.
Provides high storage I/O performance based on large computing capacity.
NoteFor more information about the storage I/O performance of the next-generation enterprise-level instance families, see Storage I/O performance.
Network:
Supports IPv6.
Provides ultra-high packet forwarding rates.
Provides high network performance based on large computing capacity.
Supported scenarios:
I/O-intensive scenarios such as large and medium-sized online transactional processing (OLTP) core databases
Large and medium-sized NoSQL databases
Search and real-time log analytics
Traditional large enterprise-level commercial software such as SAP
Instance types
Instance type | vCPU | Memory (GiB) | Baseline/burst bandwidth (Gbit/s) | Packet forwarding rate (pps) | Connections | NIC queues | ENIs | Private IPv4 addresses per ENI | IPv6 addresses per ENI | Maximum attached data disks | Disk baseline/burst IOPS | Disk baseline/burst bandwidth (Gbit/s) |
ecs.c7se.large | 2 | 4 | 1.2/burstable up to 3 | 450,000 | Up to 250,000 | 2 | 3 | 6 | 6 | 16 | 30,000/burstable up to 150,000 | 3/10 |
ecs.c7se.xlarge | 4 | 8 | 2/burstable up to 5 | 500,000 | Up to 250,000 | 4 | 4 | 15 | 15 | 16 | 60,000/burstable up to 150,000 | 4/10 |
ecs.c7se.2xlarge | 8 | 16 | 3/burstable up to 8 | 800,000 | Up to 250,000 | 8 | 4 | 15 | 15 | 16 | 100,000/burstable up to 150,000 | 6/10 |
ecs.c7se.3xlarge | 12 | 24 | 4.5/burstable up to 10 | 1,200,000 | Up to 250,000 | 8 | 8 | 15 | 15 | 16 | 120,000/burstable up to 150,000 | 8/10 |
ecs.c7se.4xlarge | 16 | 32 | 6/burstable up to 10 | 1,500,000 | 300,000 | 8 | 8 | 30 | 30 | 24 | 150,000/none | 10/none |
ecs.c7se.6xlarge | 24 | 48 | 8/burstable up to 10 | 2,250,000 | 450,000 | 12 | 8 | 30 | 30 | 24 | 200,000/none | 12/none |
ecs.c7se.8xlarge | 32 | 64 | 10/none | 3,000,000 | 600,000 | 16 | 8 | 30 | 30 | 30 | 300,000/none | 16/none |
ecs.c7se.16xlarge | 64 | 128 | 16/none | 6,000,000 | 1,200,000 | 32 | 8 | 30 | 30 | 56 | 500,000/none | 32/none |
ecs.c7se.32xlarge | 128 | 256 | 32/none | 12,000,000 | 2,400,000 | 32 | 15 | 30 | 30 | 64 | 1,000,000/none | 64/none |
You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.
For more information about these specifications, see the "Instance type specifications" section in Overview of instance families.
c7nex, network-enhanced compute-optimized instance family
Features:
This instance family uses the fourth-generation SHENLONG architecture to provide predictable and consistent ultra-high performance. This instance family utilizes fast path acceleration on chips to improve storage performance, network performance, and computing stability by an order of magnitude.
This instance family significantly improves the network throughput and packet forwarding rate per instance. A single instance can deliver a packet forwarding rate of up to 30,000,000 pps.
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses the third-generation Intel® Xeon® Scalable (Ice Lake) processors that deliver a base frequency of 2.7 GHz and an all-core turbo frequency of 3.5 GHz to provide consistent computing performance.
Allows you to enable or disable Hyper-Threading.
Storage:
Is an instance family in which all instances are I/O optimized.
ESSDs and ESSD AutoPL disks are supported.
Provides burstable storage I/O performance for low-specification instances.
Provides high storage I/O performance based on large computing capacity.
Network:
Supports IPv6.
Provides high network performance based on large computing capacity.
Supported scenarios:
Network-intensive scenarios such as Network Functions Virtualization (NFV) or Software-defined Wide Area Network (SD-WAN), mobile Internet, on-screen video comments, and telecom data forwarding
Small and medium-sized database systems, caches, and search clusters
Enterprise-level applications of various types and sizes
Instance types
Instance type | vCPU | Memory (GiB) | Baseline/burst bandwidth (Gbit/s) | Connections | NIC queues | ENIs | Private IPv4 addresses per ENI | IPv6 addresses per ENI | EBS queues | Disk baseline/burst IOPS | Disk baseline/burst bandwidth (Gbit/s) |
ecs.c7nex.large | 2 | 4 | 3/burstable up to 20 | 450,000 | 2 | 3 | 10 | 10 | 1 | 10,000/burstable up to 50,000 | 1.5/burstable up to 8 |
ecs.c7nex.xlarge | 4 | 8 | 5/burstable up to 24 | 900,000 | 4 | 4 | 15 | 15 | 1 | 20,000/burstable up to 50,000 | 2/burstable up to 8 |
ecs.c7nex.2xlarge | 8 | 16 | 10/burstable up to 32 | 1,750,000 | 8 | 6 | 15 | 15 | 2 | 25,000/burstable up to 50,000 | 3/burstable up to 8 |
ecs.c7nex.4xlarge | 16 | 32 | 20/burstable up to 40 | 3,000,000 | 16 | 8 | 30 | 30 | 2 | 40,000/burstable up to 50,000 | 5/burstable up to 8 |
ecs.c7nex.8xlarge | 32 | 64 | 40/none | 6,000,000 | 32 | 8 | 30 | 30 | 4 | 75,000/none | 8/none |
ecs.c7nex.16xlarge | 64 | 128 | 80/none | 8,000,000 | 32 | 15 | 50 | 50 | 4 | 150,000/none | 16/none |
ecs.c7nex.32xlarge | 128 | 256 | 160/none | 16,000,000 | 32 | 15 | 50 | 50 | 4 | 300,000/none | 32/none |
You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.
For more information about these specifications, see the "Instance type specifications" section in Overview of instance families.
Each ecs.c7nex.32xlarge instance must have at least two ENIs that are assigned different network card indexes before the instance can burst its network bandwidth to 160 Gbit/s. If all ENIs on the instance are assigned the same network card index, the instance can burst its network bandwidth only to 100 Gbit/s. For more information, see AttachNetworkInterface.
c7a, compute-optimized instance family
Features:
This instance family uses the third-generation SHENLONG architecture to provide predictable and consistent ultra-high performance. This instance family utilizes fast path acceleration on chips to improve storage performance, network performance, and computing stability by an order of magnitude.
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses 2.55 GHz AMD EPYCTM MILAN processors that deliver a maximum single-core turbo frequency of 3.5 GHz to provide consistent computing performance.
Allows you to enable or disable Hyper-Threading.
NoteBy default, Hyper-Threading is enabled for ECS instances. For more information, see Specify and view CPU options.
Storage:
Is an instance family in which all instances are I/O optimized.
ESSDs and ESSD AutoPL disks are supported.
Provides disk burstable IOPS and burstable bandwidth capabilities for low-specification instances.
Provides high storage I/O performance based on large computing capacity.
NoteFor more information about the storage I/O performance of the next-generation enterprise-level instance families, see Storage I/O performance.
Network:
Supports IPv6.
Provides ultra-high packet forwarding rates.
Provides network burstable bandwidth capabilities for low-specification instances.
Provides high network performance based on large computing capacity.
Supported scenarios:
Video encoding and decoding
Scenarios where large volumes of packets are received and transmitted, such as on-screen video comments and telecom data forwarding
Frontend web servers
Frontend servers of massively multiplayer online games (MMOs)
Scenarios where applications are developed and tested, such as DevOps scenarios
Data analysis and batch processing
High-performance scientific and engineering applications
Enterprise-level applications of various types and sizes
Instance types
Instance type | vCPU | Memory (GiB) | Baseline/burst bandwidth (Gbit/s) | Packet forwarding rate (pps) | Connections | NIC queues | ENIs | Private IPv4 addresses per ENI | IPv6 addresses per ENI | Disk baseline/burst IOPS | Disk baseline/burst bandwidth (Gbit/s) |
ecs.c7a.large | 2 | 4 | 1/burstable up to 10 | 900,000 | Up to 250,000 | 2 | 3 | 6 | 6 | 12,500/burstable up to 110,000 | 1/burstable up to 6 |
ecs.c7a.xlarge | 4 | 8 | 1.5/burstable up to 10 | 1,000,000 | Up to 250,000 | 4 | 4 | 15 | 15 | 20,000/burstable up to 110,000 | 1.5/burstable up to 6 |
ecs.c7a.2xlarge | 8 | 16 | 2.5/burstable up to 10 | 1,600,000 | Up to 250,000 | 8 | 4 | 15 | 15 | 30,000/burstable up to 110,000 | 2/burstable up to 6 |
ecs.c7a.4xlarge | 16 | 32 | 5/burstable up to 10 | 2,000,000 | 300,000 | 8 | 8 | 30 | 30 | 60,000/burstable up to 110,000 | 3/burstable up to 6 |
ecs.c7a.8xlarge | 32 | 64 | 8/burstable up to 10 | 3,000,000 | 600,000 | 16 | 7 | 30 | 30 | 75,000/burstable up to 110,000 | 4/burstable up to 6 |
ecs.c7a.16xlarge | 64 | 128 | 16/none | 6,000,000 | 1,000,000 | 32 | 7 | 30 | 30 | 150,000/none | 8/none |
ecs.c7a-nps1.16xlarge | 64 | 128 | 16/none | 6,000,000 | 1,000,000 | 32 | 7 | 30 | 30 | 150,000/none | 8/none |
ecs.c7a.32xlarge | 128 | 256 | 32/none | 12,000,000 | 2,000,000 | 32 | 15 | 30 | 30 | 300,000/none | 16/none |
You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.
For more information about these specifications, see the "Instance type specifications" section in Overview of instance families.
Ubuntu 16 and Debian 9 operating system kernels do not support AMD EPYCTM MILAN processors. Do not use Ubuntu 16 or Debian 9 images to create instances of this instance family. Instances of this instance family created from Ubuntu 16 or Debian 9 images cannot start.
c7, compute-optimized instance family
Features:
This instance family uses the third-generation SHENLONG architecture to provide predictable and consistent ultra-high performance. This instance family utilizes fast path acceleration on chips to improve storage performance, network performance, and computing stability by an order of magnitude.
This instance family supports the vTPM feature and implements trusted boot based on TCM or TPM chips to provide ultra-high security capabilities. During a trusted boot, all modules in the boot chain from the underlying server to the ECS instance are measured and verified.
This instance family supports the Enclave feature and provides a virtualization-based confidential computing environment. For more information, see Build a confidential computing environment by using Enclave.
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses the third-generation Intel® Xeon® Scalable (Ice Lake) processors that deliver a base frequency of 2.7 GHz and an all-core turbo frequency of 3.5 GHz to provide consistent computing performance.
Allows you to enable or disable Hyper-Threading.
Storage:
Is an instance family in which all instances are I/O optimized.
ESSDs and ESSD AutoPL disks are supported.
Provides burstable storage I/O performance for low-specification instances.
Provides high storage I/O performance based on large computing capacity.
Network:
Supports IPv6.
Provides ultra-high packet forwarding rates.
Provides burstable network performance for low-specification instances.
Provides high network performance based on large computing capacity.
Supported scenarios:
Scenarios where large volumes of packets are received and transmitted, such as on-screen video comments and telecom data forwarding
Frontend servers of MMOs
Frontend web servers
Data analytics, batch processing, and video encoding
High-performance scientific and engineering applications
Scenarios that require secure and trusted computing
Enterprise-level applications of various types and sizes
Blockchain scenarios
Instance types
Instance type | vCPU | Memory (GiB) | Baseline/burst bandwidth (Gbit/s) | Packet forwarding rate (pps) | Support for vTPM | Connections | NIC queues | ENIs | Private IPv4 addresses per ENI | IPv6 addresses per ENI | Maximum attached data disks | Disk baseline/burst IOPS | Disk baseline/burst bandwidth (Gbit/s) |
ecs.c7.large | 2 | 4 | 2/burstable up to 10 | 900,000 | Yes | Up to 250,000 | 2 | 3 | 6 | 6 | 8 | 20,000/burstable up to 110,000 | 1.5/burstable up to 6 |
ecs.c7.xlarge | 4 | 8 | 3/burstable up to 10 | 1,000,000 | Yes | Up to 250,000 | 4 | 4 | 15 | 15 | 8 | 40,000/burstable up to 110,000 | 2/burstable up to 6 |
ecs.c7.2xlarge | 8 | 16 | 5/burstable up to 10 | 1,600,000 | Yes | Up to 250,000 | 8 | 4 | 15 | 15 | 16 | 50,000/burstable up to 110,000 | 3/burstable up to 6 |
ecs.c7.3xlarge | 12 | 24 | 8/burstable up to 10 | 2,400,000 | Yes | Up to 250,000 | 8 | 8 | 15 | 15 | 16 | 70,000/burstable up to 110,000 | 4/burstable up to 6 |
ecs.c7.4xlarge | 16 | 32 | 10/burstable up to 25 | 3,000,000 | Yes | 300,000 | 8 | 8 | 30 | 30 | 16 | 80,000/burstable up to 110,000 | 5/burstable up to 6 |
ecs.c7.6xlarge | 24 | 48 | 12/burstable up to 25 | 4,500,000 | Yes | 450,000 | 12 | 8 | 30 | 30 | 16 | 110,000/none | 6/none |
ecs.c7.8xlarge | 32 | 64 | 16/burstable up to 25 | 6,000,000 | Yes | 600,000 | 16 | 8 | 30 | 30 | 24 | 150,000/none | 8/none |
ecs.c7.16xlarge | 64 | 128 | 32/none | 12,000,000 | Yes | 1,200,000 | 32 | 8 | 30 | 30 | 32 | 300,000/none | 16/none |
ecs.c7.32xlarge | 128 | 256 | 64/none | 24,000,000 | Yes | 2,400,000 | 32 | 15 | 30 | 30 | 32 | 600,000/none | 32/none |
We recommend that you connect to Windows instances by using Workbench. If you use Virtual Network Computing (VNC) to log on to a Windows instance, two cursors may appear. For information about how to fix this issue, see the "Why do two cursors appear after I log on to a Windows instance by using a VNC management terminal?" section in Instance FAQ.
You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.
For more information about these specifications, see the "Instance type specifications" section in Overview of instance families.
c7t, security-enhanced compute-optimized instance family
Features:
This instance family supports up to 128 GiB encrypted memory and encrypted computing based on Intel® Software Guard Extensions (SGX) to protect the confidentiality and integrity of essential code and data from malware attacks.
This instance family supports Virtual SGX (vSGX) and allows you to select instance types that suit your needs.
ImportantIf you use keys (such as SGX sealing keys) that are bound to hardware to encrypt the data of an instance within an Intel SGX enclave, the encrypted data cannot be decrypted after the host of the instance is changed. We recommend that you perform data redundancy and backup at the application layer to ensure application reliability.
This instance family implements trusted boot based on TCM or TPM chips. During a trusted boot, all modules in the boot chain from the underlying server to the guest OS are measured and verified.
This instance family offloads a large number of virtualization features to dedicated hardware with the use of the third-generation SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.
Compute:
Offers a CPU-to-memory ratio of 1:2. About 50% of memory is encrypted.
Uses the third-generation Intel® Xeon® Scalable (Ice Lake) processors that deliver a base frequency of 2.7 GHz and an all-core turbo frequency of 3.5 GHz to provide consistent computing performance.
Allows you to enable or disable Hyper-Threading.
Storage:
Is an instance family in which all instances are I/O optimized.
ESSDs and ESSD AutoPL disks are supported.
Provides high storage I/O performance based on large computing capacity.
Network:
Supports IPv6.
Provides ultra-high packet forwarding rates.
Provides high network performance based on large computing capacity.
Supported scenarios:
Scenarios that involve sensitive information such as personal identity information, healthcare information, financial information, and intellectual property data
Scenarios where confidential data is shared among multiple parties
Blockchain scenarios
Confidential machine learning
Scenarios that require high security and enhanced trust, such as services for financial organizations, public service sectors, and enterprises
Enterprise-level applications of various types and sizes
Instance types
Instance type | vCPU | Memory (GiB) | Encrypted memory (GiB) | Network baseline/burst bandwidth (Gbit/s) | Packet forwarding rate (pps) | Support for vTPM | Connections | NIC queues | ENIs | Private IPv4 addresses per ENI | IPv6 addresses per ENI | Disk baseline/burst IOPS | Disk baseline/burst bandwidth (Gbit/s) |
ecs.c7t.large | 2 | 4 | 2 | 2/burstable up to 10 | 900,000 | Yes | Up to 250,000 | 2 | 3 | 6 | 6 | 20,000/burstable up to 110,000 | 1.5/burstable up to 6 |
ecs.c7t.xlarge | 4 | 8 | 4 | 3/burstable up to 10 | 1,000,000 | Yes | Up to 250,000 | 4 | 4 | 15 | 15 | 40,000/burstable up to 110,000 | 2/burstable up to 6 |
ecs.c7t.2xlarge | 8 | 16 | 8 | 5/burstable up to 10 | 1,600,000 | Yes | Up to 250,000 | 8 | 4 | 15 | 15 | 50,000/burstable up to 110,000 | 3/burstable up to 6 |
ecs.c7t.3xlarge | 12 | 24 | 12 | 8/burstable up to 10 | 2,400,000 | Yes | Up to 250,000 | 8 | 8 | 15 | 15 | 70,000/burstable up to 110,000 | 4/burstable up to 6 |
ecs.c7t.4xlarge | 16 | 32 | 16 | 10/burstable up to 25 | 3,000,000 | Yes | 300,000 | 8 | 8 | 30 | 30 | 80,000/burstable up to 110,000 | 5/burstable up to 6 |
ecs.c7t.6xlarge | 24 | 48 | 24 | 12/burstable up to 25 | 4,500,000 | Yes | 450,000 | 12 | 8 | 30 | 30 | 110,000/none | 6/none |
ecs.c7t.8xlarge | 32 | 64 | 32 | 16/burstable up to 25 | 6,000,000 | Yes | 600,000 | 16 | 8 | 30 | 30 | 150,000/none | 8/none |
ecs.c7t.16xlarge | 64 | 128 | 64 | 32/none | 12,000,000 | Yes | 1,200,000 | 32 | 8 | 30 | 30 | 300,000/none | 16/none |
ecs.c7t.32xlarge | 128 | 256 | 128 | 64/none | 24,000,000 | Yes | 2,400,000 | 32 | 15 | 30 | 30 | 600,000/none | 32/none |
Intel Ice Lake supports only remote attestation based on Intel Software Guard Extensions Data Center Attestation Primitives (Intel SGX DCAP), and does not support remote attestation based on Intel Enhanced Privacy ID (EPID). You must adapt applications before you can use the remote attestation feature. For more information about remote attestation, see Strengthen Enclave Trust with Attestation.
Intel SGX depends on host hardware. This instance family does not support hot migration.
Operations such as changing instance types and enabling economical mode may cause the host of an instance to change. Changes to the host of an instance of this instance family may cause failures to decrypt data. Proceed with caution.
By default, auto failover is disabled. You can enable it. For more information, see Modify instance maintenance attributes. Auto failover causes the host of an instance to change. Changes to the host of an instance of this instance family may cause failures to decrypt data. Proceed with caution.
When you create a security-enhanced instance, you must select a dedicated image to use the security features. For more information, see Create a security-enhanced instance.
You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.
For more information about these specifications, see the "Instance type specifications" section in Overview of instance families.
c6r, compute-optimized instance family
Features:
This instance family uses the third-generation SHENLONG architecture to provide predictable and consistent ultra-high performance. This instance family utilizes fast path acceleration on chips to improve storage performance, network performance, and computing stability by an order of magnitude.
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses 2.8 GHz Ampere® Altra® processors to provide consistent computing performance.
Storage:
Is an instance family in which all instances are I/O optimized.
Supports ESSDs, ESSD AutoPL disks, standard SSDs, and ultra disks.
Provides high storage I/O performance based on large computing capacity.
Network:
Supports IPv6.
Provides ultra-high packet forwarding rates.
Provides network burstable bandwidth capabilities for low-specification instances.
Provides high network performance based on large computing capacity.
Supported scenarios:
Containers and microservices
Scenarios where applications are developed and tested, such as DevOps scenarios
Websites and application servers
CPU-based machine learning and inference
High-performance scientific and engineering applications
Instance types
Instance type | vCPU | Memory (GiB) | Baseline/burst bandwidth (Gbit/s) | Packet forwarding rate (pps) | Connections | NIC queues | ENIs | Private IP addresses per ENI | Disk IOPS | Disk bandwidth (Gbit/s) |
ecs.c6r.large | 2 | 4 | 1/10 | 900,000 | Up to 250,000 | 2 | 3 | 6 | 12,500 | 1 |
ecs.c6r.xlarge | 4 | 8 | 1.5/10 | 1,000,000 | Up to 250,000 | 4 | 4 | 15 | 20,000 | 1.5 |
ecs.c6r.2xlarge | 8 | 16 | 2.5/10 | 1,600,000 | Up to 250,000 | 8 | 4 | 15 | 30,000 | 2 |
ecs.c6r.4xlarge | 16 | 32 | 5/10 | 2,000,000 | 300,000 | 8 | 8 | 30 | 60,000 | 3 |
ecs.c6r.8xlarge | 32 | 64 | 8/10 | 3,000,000 | 600,000 | 16 | 7 | 30 | 75,000 | 4 |
ecs.c6r.16xlarge | 64 | 128 | 16/none | 6,000,000 | 900,000 | 32 | 7 | 30 | 150,000 | 8 |
You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.
For more information about these specifications, see the "Instance type specifications" section in Overview of instance families.
c6a, compute-optimized instance family
Features:
This instance family offloads a large number of virtualization features to dedicated hardware with the use of SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses 2.6 GHz AMD EPYCTM ROME processors that deliver a turbo frequency of 3.3 GHz to provide consistent computing performance.
Allows you to enable or disable Hyper-Threading.
NoteBy default, Hyper-Threading is enabled for ECS instances. For more information, see Specify and view CPU options.
Storage:
Is an instance family in which all instances are I/O optimized.
Supports ESSDs, ESSD AutoPL disks, standard SSDs, and ultra disks.
Provides high storage I/O performance based on large computing capacity.
NoteFor more information about the storage I/O performance of the next-generation enterprise-level instance families, see Storage I/O performance.
Network:
Supports IPv6.
Provides ultra-high packet forwarding rates.
Provides high network performance based on large computing capacity.
Supported scenarios:
Video encoding and decoding
Scenarios where large volumes of packets are received and transmitted
Frontend web servers
Frontend servers of MMOs
Scenarios where applications are developed and tested, such as DevOps scenarios
Instance types
Instance type | vCPU | Memory (GiB) | Baseline/burst bandwidth (Gbit/s) | Packet forwarding rate (pps) | Connections | NIC queues | ENIs | Private IP addresses per ENI | Disk IOPS | Disk bandwidth (Gbit/s) |
ecs.c6a.large | 2 | 4 | 1/10 | 900,000 | Up to 250,000 | 2 | 2 | 6 | 12,500 | 1 |
ecs.c6a.xlarge | 4 | 8 | 1.5/10 | 1,000,000 | Up to 250,000 | 4 | 3 | 15 | 20,000 | 1.5 |
ecs.c6a.2xlarge | 8 | 16 | 2.5/10 | 1,600,000 | Up to 250,000 | 8 | 4 | 15 | 30,000 | 2 |
ecs.c6a.4xlarge | 16 | 32 | 5/10 | 2,000,000 | 300,000 | 8 | 8 | 30 | 60,000 | 3.1 |
ecs.c6a.8xlarge | 32 | 64 | 8/10 | 3,000,000 | 600,000 | 16 | 7 | 30 | 75,000 | 4.1 |
ecs.c6a.16xlarge | 64 | 128 | 16/none | 6,000,000 | 1,000,000 | 32 | 8 | 30 | 150,000 | 8.2 |
ecs.c6a.32xlarge | 128 | 256 | 32/none | 12,000,000 | 2,000,000 | 32 | 15 | 30 | 300,000 | 16.4 |
You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.
For more information about these specifications, see the "Instance type specifications" section in Overview of instance families.
c6t, security-enhanced compute-optimized instance family
Features:
This instance family implements trusted boots based on TPM chips. During a trusted boot, all modules in the boot chain from the underlying hardware to the guest operating system are measured and verified.
This instance family supports integrity monitoring and provides a full set of trusted capabilities at the IaaS layer.
This instance family offloads a large number of virtualization features to dedicated hardware with the use of the third-generation SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads. This instance family utilizes fast path acceleration on chips to improve storage performance, network performance, and computing stability by an order of magnitude.
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses 2.5 GHz Intel® Xeon® Platinum 8269CY (Cascade Lake) processors that deliver a turbo frequency of 3.2 GHz to provide consistent computing performance.
Allows you to enable or disable Hyper-Threading.
NoteBy default, Hyper-Threading is enabled for ECS instances. For more information, see Specify and view CPU options.
Storage:
Is an instance family in which all instances are I/O optimized.
ESSDs and ESSD AutoPL disks are supported.
Provides high storage I/O performance based on large computing capacity.
NoteFor more information about the storage I/O performance of the next-generation enterprise-level instance families, see Storage I/O performance.
Network:
Supports IPv6.
Provides ultra-high packet forwarding rates.
Provides high network performance based on large computing capacity.
Supported scenarios:
Scenarios that require high security and enhanced trust, such as services for financial organizations, public service sectors, and enterprises
Scenarios where large volumes of packets are received and transmitted, such as on-screen video comments and telecom data forwarding
Frontend web servers
Frontend servers of MMOs
Data analytics, batch processing, and video encoding
High-performance scientific and engineering applications
Instance types
Instance type | vCPU | Memory (GiB) | Baseline/burst bandwidth (Gbit/s) | Packet forwarding rate (pps) | Support for vTPM | Connections | NIC queues | ENIs | Private IP addresses per ENI | Disk IOPS | Disk bandwidth (Gbit/s) |
ecs.c6t.large | 2 | 4 | 1.2/burstable up to 10 | 900,000 | Yes | Up to 250,000 | 2 | 3 | 6 | 20,000 | 1 |
ecs.c6t.xlarge | 4 | 8 | 2/burstable up to 10 | 1,000,000 | Yes | Up to 250,000 | 4 | 4 | 15 | 40,000 | 1.5 |
ecs.c6t.2xlarge | 8 | 16 | 3/burstable up to 10 | 1,600,000 | Yes | Up to 250,000 | 8 | 4 | 15 | 50,000 | 2 |
ecs.c6t.4xlarge | 16 | 32 | 6/burstable up to 10 | 3,000,000 | Yes | 300,000 | 8 | 8 | 30 | 80,000 | 3 |
ecs.c6t.8xlarge | 32 | 64 | 10/none | 6,000,000 | Yes | 600,000 | 16 | 8 | 30 | 150,000 | 5 |
ecs.c6t.13xlarge | 52 | 96 | 16/none | 9,000,000 | Yes | 900,000 | 32 | 7 | 30 | 240,000 | 8 |
ecs.c6t.26xlarge | 104 | 192 | 32/none | 24,000,000 | Yes | 1,800,000 | 32 | 15 | 30 | 480,000 | 16 |
You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.
For more information about these specifications, see the "Instance type specifications" section in Overview of instance families.
The results for network capabilities are the maximum values obtained from single-item tests. For example, when network bandwidth is tested, no stress tests are performed on the packet forwarding rate or other network metrics.
c6e, performance-enhanced compute-optimized instance family
Features:
This instance family offloads a large number of virtualization features to dedicated hardware with the use of the third-generation SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads. This instance family utilizes fast path acceleration on chips to improve storage performance, network performance, and computing stability by an order of magnitude.
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses 2.5 GHz Intel® Xeon® Platinum 8269CY (Cascade Lake) processors that deliver a turbo frequency of 3.2 GHz to provide consistent computing performance.
Allows you to enable or disable Hyper-Threading.
NoteBy default, Hyper-Threading is enabled for ECS instances. For more information, see Specify and view CPU options.
Storage:
Is an instance family in which all instances are I/O optimized.
ESSDs and ESSD AutoPL disks are supported.
Provides high storage I/O performance based on large computing capacity.
NoteFor more information about the storage I/O performance of the next-generation enterprise-level instance families, see Storage I/O performance.
Network:
Supports IPv6.
Provides ultra-high packet forwarding rates.
NoteNetwork performance varies based on instance families. For higher concurrent connection and network packet forwarding capabilities, we recommend that you use g7ne.
Provides high network performance based on large computing capacity.
Supported scenarios:
Scenarios where large volumes of packets are received and transmitted, such as on-screen video comments and telecom data forwarding
Frontend web servers
Frontend servers of MMOs
Data analytics, batch processing, and video encoding
High-performance scientific and engineering applications
Instance types
Instance type | vCPU | Memory (GiB) | Baseline/burst bandwidth (Gbit/s) | Packet forwarding rate (pps) | Connections | NIC queues | ENIs | Private IP addresses per ENI | Disk IOPS | Disk bandwidth (Gbit/s) |
ecs.c6e.large | 2 | 4 | 1.2/burstable up to 10 | 900,000 | Up to 250,000 | 2 | 3 | 6 | 20,000 | 1 |
ecs.c6e.xlarge | 4 | 8 | 2/burstable up to 10 | 1,000,000 | Up to 250,000 | 4 | 4 | 15 | 40,000 | 1.5 |
ecs.c6e.2xlarge | 8 | 16 | 3/burstable up to 10 | 1,600,000 | Up to 250,000 | 8 | 4 | 15 | 50,000 | 2 |
ecs.c6e.4xlarge | 16 | 32 | 6/burstable up to 10 | 3,000,000 | 300,000 | 8 | 8 | 30 | 80,000 | 3 |
ecs.c6e.8xlarge | 32 | 64 | 10/none | 6,000,000 | 600,000 | 16 | 8 | 30 | 150,000 | 5 |
ecs.c6e.13xlarge | 52 | 96 | 16/none | 9,000,000 | 1,000,000 | 32 | 7 | 30 | 240,000 | 8 |
ecs.c6e.26xlarge | 104 | 192 | 32/none | 24,000,000 | 1,800,000 | 32 | 15 | 30 | 480,000 | 16 |
You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.
For more information about these specifications, see the "Instance type specifications" section in Overview of instance families.
The results for network capabilities are the maximum values obtained from single-item tests. For example, when network bandwidth is tested, no stress tests are performed on the packet forwarding rate or other network metrics.
c6, compute-optimized instance family
Features:
This instance family offloads a large number of virtualization features to dedicated hardware with the use of SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses 2.5 GHz Intel® Xeon® Platinum 8269CY (Cascade Lake) processors that deliver a turbo frequency of 3.2 GHz to provide consistent computing performance.
Allows you to enable or disable Hyper-Threading.
NoteBy default, Hyper-Threading is enabled for ECS instances. For more information, see Specify and view CPU options.
Storage:
Is an instance family in which all instances are I/O optimized.
Supports ESSDs, ESSD AutoPL disks, standard SSDs, and ultra disks.
NoteThe maximum performance of disks varies based on instance families. A single instance of this instance family can deliver up to 200,000 IOPS.
Provides high storage I/O performance based on large computing capacity.
NoteFor more information about the storage I/O performance of the next-generation enterprise-level instance families, see Storage I/O performance.
Network:
Supports IPv6.
Provides ultra-high packet forwarding rates.
Provides high network performance based on large computing capacity.
Supports changes to g6 or r6 instance types.
Supported scenarios:
Scenarios where large volumes of packets are received and transmitted, such as on-screen video comments and telecom data forwarding
Frontend web servers
Frontend servers of MMOs
Data analytics, batch processing, and video encoding
High-performance scientific and engineering applications
Instance types
Instance type | vCPU | Memory (GiB) | Baseline/burst bandwidth (Gbit/s) | Packet forwarding rate (pps) | Connections | NIC queues | ENIs | Private IP addresses per ENI | Disk IOPS | Disk bandwidth (Gbit/s) |
ecs.c6.large | 2 | 4 | 1/burstable up to 3 | 300,000 | Up to 250,000 | 2 | 2 | 6 | 10,000 | 1 |
ecs.c6.xlarge | 4 | 8 | 1.5/burstable up to 5 | 500,000 | Up to 250,000 | 4 | 3 | 10 | 20,000 | 1.5 |
ecs.c6.2xlarge | 8 | 16 | 2.5/burstable up to 8 | 800,000 | Up to 250,000 | 8 | 4 | 10 | 25,000 | 2 |
ecs.c6.3xlarge | 12 | 24 | 4/burstable up to 10 | 900,000 | Up to 250,000 | 8 | 6 | 10 | 30,000 | 2.5 |
ecs.c6.4xlarge | 16 | 32 | 5/burstable up to 10 | 1,000,000 | 300,000 | 8 | 8 | 20 | 40,000 | 3 |
ecs.c6.6xlarge | 24 | 48 | 7.5/burstable up to 10 | 1,500,000 | 450,000 | 12 | 8 | 20 | 50,000 | 4 |
ecs.c6.8xlarge | 32 | 64 | 10/none | 2,000,000 | 600,000 | 16 | 8 | 20 | 60,000 | 5 |
ecs.c6.13xlarge | 52 | 96 | 12.5/none | 3,000,000 | 900,000 | 32 | 7 | 20 | 100,000 | 8 |
ecs.c6.26xlarge | 104 | 192 | 25/none | 6,000,000 | 1,800,000 | 32 | 15 | 20 | 200,000 | 16 |
You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.
For more information about these specifications, see the "Instance type specifications" section in Overview of instance families.
c5, compute-optimized instance family
Features:
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses 2.5 GHz Intel® Xeon® Platinum 8163 (Skylake) or 8269CY (Cascade Lake) processors for consistent computing performance.
NoteInstances of this instance family may be deployed on different server platforms. If your business requires all instances to be deployed on the same server platform, we recommend that you use the c6, c6e, or c7 instance family instead.
Storage:
Is an instance family in which all instances are I/O optimized.
Supports ESSDs, ESSD AutoPL disks, standard SSDs, and ultra disks.
NoteThe maximum performance of disks varies based on instance families. A single instance of this instance family can deliver up to 200,000 IOPS.
Network:
Supports IPv6.
Provides ultra-high packet forwarding rates.
Provides high network performance based on large computing capacity.
Supported scenarios:
Scenarios where large volumes of packets are received and transmitted, such as on-screen video comments and telecom data forwarding
Frontend web servers
Frontend servers of MMOs
Data analytics, batch processing, and video encoding
High-performance scientific and engineering applications
Instance types
Instance type | vCPU | Memory (GiB) | Network bandwidth (Gbit/s) | Packet forwarding rate (pps) | NIC queues | ENIs | Private IP addresses per ENI |
ecs.c5.large | 2 | 4 | 1 | 300,000 | 2 | 2 | 6 |
ecs.c5.xlarge | 4 | 8 | 1.5 | 500,000 | 2 | 3 | 10 |
ecs.c5.2xlarge | 8 | 16 | 2.5 | 800,000 | 4 | 4 | 10 |
ecs.c5.3xlarge | 12 | 24 | 4 | 900,000 | 4 | 6 | 10 |
ecs.c5.4xlarge | 16 | 32 | 5 | 1,000,000 | 4 | 8 | 20 |
ecs.c5.6xlarge | 24 | 48 | 7.5 | 1,500,000 | 6 | 8 | 20 |
ecs.c5.8xlarge | 32 | 64 | 10 | 2,000,000 | 8 | 8 | 20 |
ecs.c5.16xlarge | 64 | 128 | 20 | 4,000,000 | 16 | 8 | 20 |
You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.
For more information about these specifications, see the "Instance type specifications" section in Overview of instance families.
ic5, compute-intensive instance family
Features:
Compute:
Offers a CPU-to-memory ratio of 1:1.
Uses 2.5 GHz Intel® Xeon® Platinum 8163 (Skylake) or 8269CY (Cascade Lake) processors that deliver an all-core turbo frequency of 2.7 GHz to provide consistent computing performance.
Storage:
Is an instance family in which all instances are I/O optimized.
Supports ESSDs, ESSD AutoPL disks, standard SSDs, and ultra disks.
Network:
Provides ultra-high packet forwarding rates.
Provides high network performance based on large computing capacity.
Supported scenarios:
Frontend web servers
Data analytics, batch processing, and video encoding
Scenarios where large volumes of packets are received and transmitted, such as on-screen video comments and telecom data forwarding
Frontend servers of MMOs
Instance types
Instance type | vCPU | Memory (GiB) | Network bandwidth (Gbit/s) | Packet forwarding rate (pps) | NIC queues | ENIs | Private IP addresses per ENI |
ecs.ic5.large | 2 | 2 | 1 | 300,000 | 2 | 2 | 6 |
ecs.ic5.xlarge | 4 | 4 | 1.5 | 500,000 | 2 | 3 | 10 |
ecs.ic5.2xlarge | 8 | 8 | 2.5 | 800,000 | 2 | 4 | 10 |
ecs.ic5.3xlarge | 12 | 12 | 4 | 900,000 | 4 | 6 | 10 |
ecs.ic5.4xlarge | 16 | 16 | 5 | 1,000,000 | 4 | 8 | 20 |
You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.
For more information about these specifications, see the "Instance type specifications" section in Overview of instance families.
sn1ne, network-enhanced compute-optimized instance family
Features:
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses 2.5 GHz Intel® Xeon® E5-2682 v4 (Broadwell) or Platinum 8163 (Skylake) processors to provide consistent computing performance.
NoteInstances of this instance family may be deployed on different server platforms. If your business requires all instances to be deployed on the same server platform, we recommend that you use the c6, c6e, or c7 instance family instead.
Storage:
Is an instance family in which all instances are I/O optimized.
Supports standard SSDs and ultra disks.
Network:
Supports IPv6.
Provides ultra-high packet forwarding rates.
Provides high network performance based on large computing capacity.
Supported scenarios:
Scenarios where large volumes of packets are received and transmitted, such as on-screen video comments and telecom data forwarding
Frontend web servers
Frontend servers of MMOs
Data analytics, batch processing, and video encoding
High-performance scientific and engineering applications
Instance types
Instance type | vCPU | Memory (GiB) | Network bandwidth (Gbit/s) | Packet forwarding rate (pps) | NIC queues | ENIs | Private IP addresses per ENI |
ecs.sn1ne.large | 2 | 4 | 1 | 300,000 | 2 | 2 | 6 |
ecs.sn1ne.xlarge | 4 | 8 | 1.5 | 500,000 | 2 | 3 | 10 |
ecs.sn1ne.2xlarge | 8 | 16 | 2 | 1,000,000 | 4 | 4 | 10 |
ecs.sn1ne.3xlarge | 12 | 24 | 2.5 | 1,300,000 | 4 | 6 | 10 |
ecs.sn1ne.4xlarge | 16 | 32 | 3 | 1,600,000 | 4 | 8 | 20 |
ecs.sn1ne.6xlarge | 24 | 48 | 4.5 | 2,000,000 | 6 | 8 | 20 |
ecs.sn1ne.8xlarge | 32 | 64 | 6 | 2,500,000 | 8 | 8 | 20 |
You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.
For more information about these specifications, see the "Instance type specifications" section in Overview of instance families.