Most compute-optimized instance families (c series) provide a CPU-to-memory ratio of 1:2. Compute-optimized instance families are suitable for various scenarios such as databases, web servers, high-performance scientific and engineering applications, game servers, data analytics, batch computing, video encoding, and machine learning.
View instance types available in each region. Instance types available for purchase vary based on the region.
View instructions for selecting instance types to learn about how to select instance types based on your business scenarios before you read this topic.
View instance type metrics before you read this topic.
You can use the ECS Price Calculator to estimate instance costs.
x86-based instance families | Arm-based instance families | Not recommended instance families (If the following instance families are sold out, we recommend that you use the instance families in the preceding columns.)
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Intel processor-powered instance families | AMD processor-powered instance families | YiTian or other processor-powered instance families | |
YiTian 710 processor-powered instance families: Ampere® Altra® processor-powered instance families: |
c9i, compute-optimized instance family
Introduction: This instance family uses the innovative Cloud Infrastructure Processing Unit (CIPU) architecture developed by Alibaba Cloud and Intel® Xeon® 6 processors with P-cores to provide consistent computing power, a more robust I/O engine, and chip-level security hardening.
Supported scenarios: machine learning inference applications, data analytics, batch computing, video encoding, frontend game servers, high-performance scientific and engineering applications, and web frontend servers.
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses 3.2 GHz Intel® Xeon® Granite Rapids processors that deliver an all-core turbo frequency of 3.6 GHz to provide consistent computing performance.
Storage:
Is an instance family in which all instances are I/O optimized.
Supports the Non-Volatile Memory Express (NVMe) protocol. For more information, see NVMe protocol.
Supports Enterprise SSDs (ESSDs) and ESSD AutoPL disks. For information about disks, see Overview of Block Storage.
Offers burstable disk IOPS and burstable disk bandwidth for low-specification instances and provides high storage I/O performance based on large computing capacity. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.
Supports elastic RDMA interfaces (ERIs). For information about how to use ERIs, see Enable eRDMA on an enterprise-level instance.
Supports the Jumbo Frames feature. For more information, see Jumbo Frames.
Provides high network performance based on large computing capacity.
Security: supports the vTPM feature. For more information, see Overview.
c9i instance types
Instance type | vCPUs | Memory (GiB) | Network 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.c9i.large | 2 | 4 | 2.5/burstable up to 15 | 1,000,000 | Up to 500,000 | 2 | 3 | 6 | 6 | 25,000/burstable up to 200,000 | 2/burstable up to 10 |
ecs.c9i.xlarge | 4 | 8 | 4/burstable up to 15 | 1,200,000 | Up to 500,000 | 4 | 4 | 15 | 15 | 50,000/burstable up to 200,000 | 2.5/burstable up to 10 |
ecs.c9i.2xlarge | 8 | 16 | 6/burstable up to 15 | 1,600,000 | Up to 500,000 | 8 | 4 | 15 | 15 | 60,000/burstable up to 200,000 | 4/burstable up to 10 |
ecs.c9i.3xlarge | 12 | 24 | 10/burstable up to 15 | 2,400,000 | Up to 500,000 | 12 | 8 | 15 | 15 | 80,000/burstable up to 200,000 | 5/burstable up to 10 |
ecs.c9i.4xlarge | 16 | 32 | 12/burstable up to 25 | 3,000,000 | 500,000 | 16 | 8 | 30 | 30 | 100,000/burstable up to 200,000 | 6/burstable up to 10 |
ecs.c9i.6xlarge | 24 | 48 | 15/burstable up to 25 | 4,500,000 | 600,000 | 24 | 8 | 30 | 30 | 120,000/burstable up to 200,000 | 7.5/burstable up to 10 |
ecs.c9i.8xlarge | 32 | 64 | 20/burstable up to 32 | 6,000,000 | 800,000 | 32 | 8 | 30 | 30 | 200,000/burstable up to 300,000 | 10/burstable up to 12 |
ecs.c9i.12xlarge | 48 | 96 | 25/burstable up to 32 | 9,000,000 | 1,600,000 | 48 | 8 | 30 | 30 | 240,000/burstable up to 320,000 | 12/burstable up to 15 |
ecs.c9i.16xlarge | 64 | 128 | 28/burstable up to 36 | 12,000,000 | 2,000,000 | 64 | 8 | 30 | 30 | 300,000/burstable up to 400,000 | 16/burstable up to 24 |
ecs.c9i.24xlarge | 96 | 192 | 32/burstable up to 48 | 18,000,000 | 3,000,000 | 64 | 15 | 30 | 30 | 350,000/burstable up to 600,000 | 20/burstable up to 28 |
ecs.c9i.32xlarge | 128 | 256 | 36/burstable up to 50 | 20,000,000 | 4,000,000 | 64 | 15 | 30 | 30 | 400,000/burstable up to 650,000 | 24/burstable up to 28 |
ecs.c9i.48xlarge | 192 | 384 | 64/none | 24,000,000 | 6,000,000 | 64 | 15 | 50 | 50 | 500,000/burstable up to 800,000 | 32/none |
c8a, compute-optimized instance family
Introduction: This instance family uses the innovative CIPU architecture developed by Alibaba Cloud to provide consistent computing power, a more robust I/O engine, and chip-level security hardening.
Supported scenarios: big data applications, web applications, AI training and inference, and audio and video transcoding applications.
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.
Supports Hyper-Threading. By default, Hyper-Threading is enabled. For more information, see Specify and view CPU options.
Is compatible with specific operating systems. For more information, see Operating system versions that support AMD Genoa processors used by eighth-generation AMD instance types.
Storage:
Is an instance family in which all instances are I/O optimized.
Supports the NVMe protocol. For more information, see NVMe protocol.
Supports elastic ephemeral disks, ESSDs, ESSD AutoPL disks, and Regional ESSDs. For information about disks, see Overview of Block Storage.
Offers burstable disk IOPS and burstable disk bandwidth for low-specification instances and provides high storage I/O performance based on large computing capacity. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.
Supports elastic RDMA interfaces (ERIs). For information about how to use ERIs, see Enable eRDMA on an enterprise-level instance.
Supports the Jumbo Frames feature. For more information, see Jumbo Frames.
Provides ultra-high packet forwarding rates.
Provides burstable network bandwidth for low-specification instances.
Provides high network performance based on large computing capacity.
Security: supports the vTPM feature. For more information, see Overview.
c8a instance types
Instance type | vCPUs | Memory (GiB) | Network 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 | 15 | 15 | 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 | 50 | 50 | 500,000/none | 32/none |
For ecs.c8a.large and ecs.c8a.xlarge instances, you must enable the Jumbo Frames feature before the instances can burst their network bandwidths to 12.5 Gbit/s. For more information, see Jumbo Frames.
c8ae, performance-enhanced compute-optimized instance family
Introduction: This instance family uses the innovative CIPU architecture developed by Alibaba Cloud to provide consistent computing power, a more robust I/O engine, and chip-level security hardening.
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
Servers for massively multiplayer online (MMO) games
Other general-purpose enterprise-level applications that have high performance requirements
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses 3.4 GHz AMD EPYCTM Genoa processors that deliver a single-core turbo frequency of up to 3.75 GHz to provide consistent computing performance.
Supports Hyper-Threading. By default, Hyper-Threading is enabled. For more information, see Specify and view CPU options.
Is compatible with specific operating systems. For more information, see Operating system versions that support AMD Genoa processors used by eighth-generation AMD instance types.
Storage:
Is an instance family in which all instances are I/O optimized.
Supports the NVMe protocol. For more information, see NVMe protocol.
Supports ESSDs, ESSD AutoPL disks, and Regional ESSDs. For information about disks, see Overview of Block Storage.
Offers burstable disk IOPS and burstable disk bandwidth for low-specification instances and provides high storage I/O performance based on large computing capacity. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.
Supports elastic RDMA interfaces (ERIs). For information about how to use ERIs, see Enable eRDMA on an enterprise-level instance.
Supports the Jumbo Frames feature. For more information, see Jumbo Frames.
Provides ultra-high packet forwarding rates.
Provides burstable network bandwidth for low-specification instances.
Provides high network performance based on large computing capacity.
Security: supports the vTPM feature. For more information, see Overview.
c8ae instance types
Instance type | vCPUs | 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.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 |
For ecs.c8ae.large and ecs.c8ae.xlarge instances, you must enable the Jumbo Frames feature before the instances can burst their network bandwidths to 15 Gbit/s. For more information, see Jumbo Frames.
c8i, compute-optimized instance family
Introduction: This instance family uses the innovative CIPU architecture developed by Alibaba Cloud to provide consistent computing power, a more robust I/O engine, and chip-level security hardening.
Supported scenarios: machine learning inference applications, data analytics, batch computing, video encoding, frontend servers for games, high-performance scientific and engineering applications, and web frontend servers.
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses Intel® Xeon® Emerald Rapids or Intel® Xeon® Sapphire Rapids processors that deliver a clock speed of at least 2.7 GHz and an all-core turbo frequency of 3.2 GHz to provide consistent computing performance.
NoteWhen you purchase an instance of this instance family, the system randomly allocates one type of the preceding processors to the instance. You cannot select a processor type for the instance.
Supports Hyper-Threading. By default, Hyper-Threading is enabled. For more information, see Specify and view CPU options.
Is compatible with specific operating systems. For more information, see Operating system versions that support AMD Genoa processors used by eighth-generation AMD instance types.
Storage:
Is an instance family in which all instances are I/O optimized.
Supports the NVMe protocol. For more information, see NVMe protocol.
Supports elastic ephemeral disks, ESSDs, ESSD AutoPL disks, and Regional ESSDs. For information about disks, see Overview of Block Storage.
Offers burstable disk IOPS and burstable disk bandwidth for low-specification instances and provides high storage I/O performance based on large computing capacity. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.
Supports elastic RDMA interfaces (ERIs). For information about how to use ERIs, see Enable eRDMA on an enterprise-level instance.
Supports the Jumbo Frames feature. For more information, see Jumbo Frames.
Provides burstable network bandwidth for low-specification instances.
Provides high network performance based on large computing capacity.
Security:
Supports the vTPM feature. For more information, see Overview.
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.
(Instance types that support more than four vCPUs) Supports the Enclave feature and provides virtualization-based confidential computing environments. For more information, see Build a confidential computing environment by using Enclave.
Supports Intel Total Memory Encryption (TME) to encrypt memory.
c8i instance types
Instance type | vCPUs | Memory (GiB) | Network 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 |
c8y, compute-optimized instance family
Introduction: 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.
Supported scenarios: containers, microservices, websites, application servers, video encoding and decoding, HPC, and CPU-based machine learning.
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.
Supports the NVMe protocol. For more information, see NVMe protocol.
Supports elastic ephemeral disks, ESSDs, ESSD AutoPL disks, and Regional ESSDs. For information about disks, see Overview of Block Storage.
Offers burstable disk IOPS and burstable disk bandwidth for low-specification instances and provides high storage I/O performance based on large computing capacity. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.
Supports ERIs. For information about how to use ERIs, see Enable eRDMA on an enterprise-level instance.
Supports the Jumbo Frames feature. For more information, see Jumbo Frames.
Provides ultra-high packet forwarding rates.
Provides burstable network bandwidth for low-specification instances.
Provides high network performance based on large computing capacity.
Security: supports the vTPM feature. For more information, see Overview.
c8y instance types
Instance type | vCPUs | Memory (GiB) | Network 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.c8y.small | 1 | 2 | 1/10 | 500,000 | Up to 250,000 | 1 | 2 | 3 | 3 | 5 | 10,000/burstable up to 110,000 | 1/burstable up to 10 |
ecs.c8y.large | 2 | 4 | 2/10 | 900,000 | Up to 250,000 | 2 | 3 | 6 | 6 | 8 | 20,000/burstable up to 110,000 | 1.5/burstable up to 10 |
ecs.c8y.xlarge | 4 | 8 | 3/10 | 1,000,000 | Up to 250,000 | 4 | 4 | 15 | 15 | 8 | 40,000/burstable up to 110,000 | 2/burstable up to 10 |
ecs.c8y.2xlarge | 8 | 16 | 5/10 | 1,600,000 | Up to 250,000 | 8 | 4 | 15 | 15 | 16 | 50,000/burstable up to 110,000 | 3/burstable up to 10 |
ecs.c8y.4xlarge | 16 | 32 | 10/25 | 3,000,000 | 400,000 | 16 | 8 | 30 | 30 | 16 | 80,000/burstable up to 110,000 | 5/burstable up to 10 |
ecs.c8y.8xlarge | 32 | 64 | 16/25 | 5,000,000 | 750,000 | 32 | 8 | 30 | 30 | 16 | 125,000 | 10 |
ecs.c8y.16xlarge | 64 | 128 | 32/none | 10,000,000 | 1,500,000 | 64 | 8 | 30 | 30 | 32 | 250,000 | 16 |
ecs.c8y.32xlarge | 128 | 256 | 64/none | 20,000,000 | 3,000,000 | 64 | 15 | 30 | 30 | 32 | 500,000 | 32 |
If you want to use the ecs.c8y.32xlarge instance type, submit a ticket.
c7a, compute-optimized instance family
Introduction: 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.
Supported scenarios:
Video encoding and decoding
Scenarios where large volumes of packets are received and transmitted, such as live commenting on videos and telecom data forwarding
Web frontend servers
Frontend servers for MMO games
Scenarios where applications such as DevOps applications are developed and tested
Data analytics and batch computing
High-performance scientific and engineering applications
Enterprise-level applications of various types and sizes
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses 2.55 GHz AMD EPYC™ MILAN processors that deliver a single-core turbo frequency of up to 3.5 GHz to provide consistent computing performance.
Supports Hyper-Threading. By default, Hyper-Threading is enabled. For more information, see Specify and view CPU options.
Is compatible with specific operating systems. For more information, see Operating system versions that support AMD Genoa processors used by eighth-generation AMD instance types.
Storage:
Is an instance family in which all instances are I/O optimized.
Supports ESSDs, ESSD AutoPL disks, and Regional ESSDs. For information about disks, see Overview of Block Storage.
Offers burstable disk IOPS and burstable disk bandwidth for low-specification instances and provides high storage I/O performance based on large computing capacity. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.
Provides ultra-high packet forwarding rates.
Provides burstable network bandwidth for low-specification instances.
Provides high network performance based on large computing capacity.
c7a instance types
Instance type | vCPUs | Memory (GiB) | Network 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-nps1.8xlarge | 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 | 3,000,000 | 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 |
Ubuntu 16 and Debian 9 operating system kernels do not support AMD EPYC™ 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 be started.
c7, compute-optimized instance family
Introduction: 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.
Supported scenarios:
Scenarios where large volumes of packets are received and transmitted, such as live commenting on videos and telecom data forwarding
Frontend servers for MMO games
Web frontend servers
Data analytics, batch computing, 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
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.
Supports Hyper-Threading. By default, Hyper-Threading is enabled. 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, and Regional ESSDs. For information about disks, see Overview of Block Storage.
Offers burstable disk IOPS and burstable disk bandwidth for low-specification instances and provides high storage I/O performance based on large computing capacity. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.
Supports the Jumbo Frames feature. For more information, see Jumbo Frames.
Provides ultra-high packet forwarding rates.
Provides burstable network bandwidth for low-specification instances.
Provides high network performance based on large computing capacity.
Security:
Supports the vTPM feature. For more information, see Overview.
Supports the Enclave feature and provides virtualization-based confidential computing environments. For more information, see Build a confidential computing environment by using Enclave.
c7 instance types
Instance type | vCPUs | 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 | Maximum attached data disks | Disk baseline/burst IOPS | Disk baseline/burst bandwidth (Gbit/s) |
ecs.c7.large | 2 | 4 | 2/burstable up to 12.5 | 1,100,000 | Yes | Up to 500,000 | 2 | 3 | 6 | 6 | 8 | 20,000/burstable up to 160,000 | 1.5/burstable up to 10 |
ecs.c7.xlarge | 4 | 8 | 3/burstable up to 12.5 | 1,100,000 | Yes | Up to 500,000 | 4 | 4 | 15 | 15 | 8 | 40,000/burstable up to 160,000 | 2/burstable up to 10 |
ecs.c7.2xlarge | 8 | 16 | 5/burstable up to 15 | 1,600,000 | Yes | Up to 500,000 | 8 | 4 | 15 | 15 | 16 | 50,000/burstable up to 160,000 | 3/burstable up to 10 |
ecs.c7.3xlarge | 12 | 24 | 8/burstable up to 15 | 2,400,000 | Yes | Up to 500,000 | 8 | 8 | 15 | 15 | 16 | 70,000/burstable up to 160,000 | 4/burstable up to 10 |
ecs.c7.4xlarge | 16 | 32 | 10/burstable up to 25 | 3,000,000 | Yes | 500,000 | 8 | 8 | 30 | 30 | 16 | 80,000/burstable up to 160,000 | 5/burstable up to 10 |
ecs.c7.6xlarge | 24 | 48 | 12/burstable up to 25 | 4,500,000 | Yes | 550,000 | 12 | 8 | 30 | 30 | 16 | 110,000/burstable up to 160,000 | 6/10 |
ecs.c7.8xlarge | 32 | 64 | 16/burstable up to 32 | 6,000,000 | Yes | 600,000 | 16 | 8 | 30 | 30 | 24 | 160,000/none | 10/none |
ecs.c7.16xlarge | 64 | 128 | 32/none | 12,000,000 | Yes | 1,200,000 | 32 | 8 | 30 | 30 | 32 | 360,000/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 |
c6r, compute-optimized instance family
Introduction: 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.
Supported scenarios:
Containers and microservices
Scenarios where applications such as DevOps applications are developed and tested
Websites and application servers
CPU-based machine learning and inference
High-performance nce and engineering applications
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, Regional ESSDs, standard SSDs, and ultra disks. For information about disks, see Overview of Block Storage.
Provides high storage I/O performance based on large computing capacity. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.
Provides ultra-high packet forwarding rates.
Provides burstable network bandwidth for low-specification instances.
Provides high network performance based on large computing capacity.
c6r instance types
Instance type | vCPUs | Memory (GiB) | Network baseline/burst bandwidth (Gbit/s) | Packet forwarding rate (pps) | Connections | NIC queues | ENIs | Private IPv4 addresses per ENI | IPv6 addresses per ENI | Disk baseline IOPS | Disk baseline bandwidth (Gbit/s) |
ecs.c6r.large | 2 | 4 | 1/10 | 900,000 | Up to 250,000 | 2 | 3 | 6 | 1 | 12,500 | 1 |
ecs.c6r.xlarge | 4 | 8 | 1/10 | 1,000,000 | Up to 250,000 | 4 | 4 | 15 | 1 | 20,000 | 1.5 |
ecs.c6r.2xlarge | 8 | 16 | 2/10 | 1,600,000 | Up to 250,000 | 8 | 4 | 15 | 1 | 30,000 | 2 |
ecs.c6r.4xlarge | 16 | 32 | 5/10 | 2,000,000 | 300,000 | 8 | 8 | 30 | 1 | 60,000 | 3 |
ecs.c6r.8xlarge | 32 | 64 | 8/10 | 3,000,000 | 600,000 | 16 | 7 | 30 | 1 | 75,000 | 4 |
ecs.c6r.16xlarge | 64 | 128 | 16/none | 6,000,000 | 900,000 | 32 | 8 | 30 | 1 | 150,000 | 8 |
c6a, compute-optimized instance family
Introduction: This instance family offloads a large number of virtualization features to dedicated hardware by using the SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.
Supported scenarios: video encoding and decoding, scenarios in which large volumes of packets are received and transmitted, web frontend servers, frontend servers for MMO games, and scenarios where applications such as DevOps applications are developed and tested.
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses 2.6 GHz AMD EPYC™ ROME processors that deliver a turbo frequency of 3.3 GHz to provide consistent computing performance.
Supports Hyper-Threading. By default, Hyper-Threading is enabled. For more information, see Specify and view CPU options.
Is compatible with specific operating systems. For more information, see Operating system versions that support AMD Genoa processors used by eighth-generation AMD instance types.
Storage:
Is an instance family in which all instances are I/O optimized.
Supports ESSDs, ESSD AutoPL disks, standard SSDs, and ultra disks. For information about disks, see Overview of Block Storage.
Provides high storage I/O performance based on large computing capacity. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.
Provides ultra-high packet forwarding rates.
Provides high network performance based on large computing capacity.
c6a instance types
Instance type | vCPUs | Memory (GiB) | Network baseline/burst bandwidth (Gbit/s) | Packet forwarding rate (pps) | Connections | NIC queues | ENIs | Private IPv4 addresses per ENI | IPv6 addresses per ENI | Disk baseline IOPS | Disk baseline bandwidth (Gbit/s) |
ecs.c6a.large | 2 | 4 | 1/10 | 900,000 | Up to 250,000 | 2 | 2 | 6 | 1 | 12,500 | 1 |
ecs.c6a.xlarge | 4 | 8 | 1.5/10 | 1,000,000 | Up to 250,000 | 4 | 3 | 15 | 1 | 20,000 | 1.5 |
ecs.c6a.2xlarge | 8 | 16 | 2.5/10 | 1,600,000 | Up to 250,000 | 8 | 4 | 15 | 1 | 30,000 | 2 |
ecs.c6a.4xlarge | 16 | 32 | 5/10 | 2,000,000 | 300,000 | 8 | 8 | 30 | 1 | 60,000 | 3.1 |
ecs.c6a.8xlarge | 32 | 64 | 8/10 | 3,000,000 | 600,000 | 16 | 7 | 30 | 1 | 75,000 | 4.1 |
ecs.c6a.16xlarge | 64 | 128 | 16/none | 6,000,000 | 1,000,000 | 32 | 8 | 30 | 1 | 150,000 | 8.2 |
ecs.c6a.32xlarge | 128 | 256 | 32/none | 12,000,000 | 2,000,000 | 32 | 15 | 30 | 1 | 300,000 | 16.4 |
c6e, performance-enhanced compute-optimized instance family
Introduction: This instance family offloads a large number of virtualization features to dedicated hardware by using 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.
Supported scenarios:
Scenarios where large volumes of packets are received and transmitted, such as live commenting on videos and telecom data forwarding
Web frontend servers
Frontend servers for MMO games
Data analytics, batch computing, and video encoding
High-performance scientific and engineering applications
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.
Supports Hyper-Threading. By default, Hyper-Threading is enabled. 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, and Regional ESSDs. For information about disks, see Overview of Block Storage.
Provides high storage I/O performance based on large computing capacity. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.
Provides ultra-high packet forwarding rates.
NoteNetwork performance varies based on the instance families. For higher concurrent connection and network packet forwarding capabilities, we recommend that you use the g7ne instance family.
Provides high network performance based on large computing capacity.
c6e instance types
Instance type | vCPUs | Memory (GiB) | Network baseline/burst bandwidth (Gbit/s) | Packet forwarding rate (pps) | Connections | NIC queues | ENIs | Private IPv4 addresses per ENI | IPv6 addresses per ENI | Disk baseline IOPS | Disk baseline bandwidth (Gbit/s) |
ecs.c6e.large | 2 | 4 | 1.2/burstable up to 10 | 900,000 | Up to 250,000 | 2 | 3 | 6 | 1 | 20,000 | 1 |
ecs.c6e.xlarge | 4 | 8 | 2/burstable up to 10 | 1,000,000 | Up to 250,000 | 4 | 4 | 15 | 1 | 40,000 | 1.5 |
ecs.c6e.2xlarge | 8 | 16 | 3/burstable up to 10 | 1,600,000 | Up to 250,000 | 8 | 4 | 15 | 1 | 50,000 | 2 |
ecs.c6e.4xlarge | 16 | 32 | 6/burstable up to 10 | 3,000,000 | 300,000 | 8 | 8 | 30 | 1 | 80,000 | 3 |
ecs.c6e.8xlarge | 32 | 64 | 10/none | 6,000,000 | 600,000 | 16 | 8 | 30 | 1 | 150,000 | 5 |
ecs.c6e.13xlarge | 52 | 96 | 16/none | 9,000,000 | 1,000,000 | 32 | 7 | 30 | 1 | 240,000 | 8 |
ecs.c6e.26xlarge | 104 | 192 | 32/none | 24,000,000 | 1,800,000 | 32 | 15 | 30 | 1 | 480,000 | 16 |
c6, compute-optimized instance family
Introduction: This instance family offloads a large number of virtualization features to dedicated hardware by using the SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.
Supported scenarios:
Scenarios where large volumes of packets are received and transmitted, such as live commenting on videos and telecom data forwarding
Web frontend servers
Frontend servers for MMO games
Data analytics, batch computing, and video encoding
High-performance scientific and engineering applications
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.
Supports Hyper-Threading. By default, Hyper-Threading is enabled. 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. For information about disks, see Overview of Block Storage.
Provides high storage I/O performance based on large computing capacity. For more information, see Storage I/O performance.
NoteThe maximum performance of disks varies based on the instance families. A single instance of this instance family can deliver up to 200,000 IOPS.
Network:
Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.
Provides ultra-high packet forwarding rates.
Provides high network performance based on large computing capacity.
Supported instance type changes: Supports changes to g6 or r6 instance types.
c6 instance types
Instance type | vCPUs | Memory (GiB) | Network baseline/burst bandwidth (Gbit/s) | Packet forwarding rate (pps) | Connections | NIC queues | ENIs | Private IPv4 addresses per ENI | IPv6 addresses per ENI | Disk baseline IOPS | Disk baseline bandwidth (Gbit/s) |
ecs.c6.large | 2 | 4 | 1/burstable up to 3 | 300,000 | Up to 250,000 | 2 | 2 | 6 | 1 | 10,000 | 1 |
ecs.c6.xlarge | 4 | 8 | 1.5/burstable up to 5 | 500,000 | Up to 250,000 | 4 | 3 | 10 | 1 | 20,000 | 1.5 |
ecs.c6.2xlarge | 8 | 16 | 2.5/burstable up to 8 | 800,000 | Up to 250,000 | 8 | 4 | 10 | 1 | 25,000 | 2 |
ecs.c6.3xlarge | 12 | 24 | 4/burstable up to 10 | 900,000 | Up to 250,000 | 8 | 6 | 10 | 10 | 30,000 | 2.5 |
ecs.c6.4xlarge | 16 | 32 | 5/burstable up to 10 | 1,000,000 | 300,000 | 8 | 8 | 20 | 1 | 40,000 | 3 |
ecs.c6.6xlarge | 24 | 48 | 7.5/burstable up to 10 | 1,500,000 | 450,000 | 12 | 8 | 20 | 1 | 50,000 | 4 |
ecs.c6.8xlarge | 32 | 64 | 10/none | 2,000,000 | 600,000 | 16 | 8 | 20 | 1 | 60,000 | 5 |
ecs.c6.13xlarge | 52 | 96 | 12.5/none | 3,000,000 | 900,000 | 32 | 7 | 20 | 1 | 100,000 | 8 |
ecs.c6.26xlarge | 104 | 192 | 25/none | 6,000,000 | 1,800,000 | 32 | 15 | 20 | 1 | 200,000 | 16 |
c5, compute-optimized instance family
Supported scenarios:
Scenarios where large volumes of packets are received and transmitted, such as live commenting on videos and telecom data forwarding
Web frontend servers
Frontend servers for MMO games
Data analytics, batch computing, and video encoding
High-performance scientific and engineering applications
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses 2.5 GHz Intel® Xeon® Platinum 8163 (Skylake) or 8269CY (Cascade Lake) 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.
Storage:
Is an instance family in which all instances are I/O optimized.
Supports ESSDs, ESSD AutoPL disks, standard SSDs, and ultra disks. For information about disks, see Overview of Block Storage.
NoteThe maximum performance of disks varies based on the instance families. A single instance of this instance family can deliver up to 200,000 IOPS.
Network:
Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.
Provides ultra-high packet forwarding rates.
Provides high network performance based on large computing capacity.
c5 instance types
Instance type | vCPUs | Memory (GiB) | Network baseline bandwidth (Gbit/s) | Packet forwarding rate (pps) | NIC queues | ENIs | Private IPv4 addresses per ENI | IPv6 addresses per ENI |
ecs.c5.large | 2 | 4 | 1 | 300,000 | 2 | 2 | 6 | 1 |
ecs.c5.xlarge | 4 | 8 | 1.5 | 500,000 | 2 | 3 | 10 | 1 |
ecs.c5.2xlarge | 8 | 16 | 2.5 | 800,000 | 4 | 4 | 10 | 1 |
ecs.c5.3xlarge | 12 | 24 | 4 | 900,000 | 4 | 6 | 10 | 1 |
ecs.c5.4xlarge | 16 | 32 | 5 | 1,000,000 | 4 | 8 | 20 | 1 |
ecs.c5.6xlarge | 24 | 48 | 7.5 | 1,500,000 | 6 | 8 | 20 | 1 |
ecs.c5.8xlarge | 32 | 64 | 10 | 2,000,000 | 8 | 8 | 20 | 1 |
ecs.c5.16xlarge | 64 | 128 | 20 | 4,000,000 | 16 | 8 | 20 | 1 |
ic5, compute-intensive instance family
Supported scenarios:
Web frontend servers
Data analytics, batch computing, and video encoding
Scenarios where large volumes of packets are received and transmitted, such as live commenting on videos and telecom data forwarding
Frontend servers for MMO games
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. For information about disks, see Overview of Block Storage.
Network:
Supports only IPv4.
Provides ultra-high packet forwarding rates.
Provides high network performance based on large computing capacity.
ic5 instance types
Instance type | vCPUs | Memory (GiB) | Network baseline bandwidth (Gbit/s) | Packet forwarding rate (pps) | NIC queues | ENIs | Private IPv4 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 |
ecs.ic5.6xlarge | 24 | 24 | 7.5 | 1,500,000 | 6 | 8 | 20 |
ecs.ic5.8xlarge | 32 | 32 | 10 | 2,000,000 | 8 | 8 | 20 |
ecs.ic5.16xlarge | 64 | 64 | 20 | 3,000,000 | 16 | 8 | 20 |
sn1ne, network-enhanced compute-optimized instance family
Supported scenarios:
Scenarios where large volumes of packets are received and transmitted, such as live commenting on videos and telecom data forwarding
Web frontend servers
Frontend servers for MMO games
Data analytics, batch computing, and video encoding
High-performance scientific and engineering applications
Compute:
Offers a CPU-to-memory ratio of 1:2.
Uses 2.5 GHz Intel® Xeon® E5-2682 v4 (Broadwell), Platinum 8163 (Skylake), or 8269CY (Cascade Lake) 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.
Storage:
Is an instance family in which all instances are I/O optimized.
Supports standard SSDs and ultra disks. For information about disks, see Overview of Block Storage.
Network:
Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.
Provides ultra-high packet forwarding rates.
Provides high network performance based on large computing capacity.
sn1ne instance types
Instance type | vCPUs | Memory (GiB) | Network baseline bandwidth (Gbit/s) | Packet forwarding rate (pps) | NIC queues | ENIs | Private IPv4 addresses per ENI | IPv6 addresses per ENI |
ecs.sn1ne.large | 2 | 4 | 1 | 300,000 | 2 | 2 | 6 | 1 |
ecs.sn1ne.xlarge | 4 | 8 | 1.5 | 500,000 | 2 | 3 | 10 | 1 |
ecs.sn1ne.2xlarge | 8 | 16 | 2 | 1,000,000 | 4 | 4 | 10 | 1 |
ecs.sn1ne.3xlarge | 12 | 24 | 2.5 | 1,300,000 | 4 | 6 | 10 | 1 |
ecs.sn1ne.4xlarge | 16 | 32 | 3 | 1,600,000 | 4 | 8 | 20 | 1 |
ecs.sn1ne.6xlarge | 24 | 48 | 4.5 | 2,000,000 | 6 | 8 | 20 | 1 |
ecs.sn1ne.8xlarge | 32 | 64 | 6 | 2,500,000 | 8 | 8 | 20 | 1 |