The compute-optimized instance family (c series) offers a 1:2 CPU-to-memory ratio, making it ideal for compute-intensive workloads such as databases, web servers, high-performance scientific and engineering applications, game servers, data analytics, batch computing, video encoding, and machine learning.
View instance availability by region: Instance types may vary by region. We recommend that you check the purchase availability in each region.
View instance type selection guide: First, determine which instance families are suitable for your business scenario. Then, use this topic to select a specific instance type.
View instance metric descriptions: Read this topic to understand the metrics for instance types.
Use the ECS Price Calculator: You can use the price calculator to estimate instance fees.
X86 | ARM | Not recommended
| |
Intel processor | AMD processor | Yitian and others | |
Yitian 710 processor Ampere® Altra® | |||
Compute-optimized instance family c9ae
Introduction: Built on the new-generation Alibaba Cloud CIPU architecture and powered by the latest AMD EPYC™ Turin processors, these instances use physical cores (no hyper-threading) to deliver stable computing performance, a powerful I/O engine, and chip-level security hardening.
Use cases: Ideal for workloads such as big data analytics (e.g., Spark, Flink, and Elasticsearch), search and recommendation engines, advertising systems (ps-worker), core transaction systems, audio and video transcoding, AI training and inference, and general-purpose enterprise applications (e.g., Java).
Compute:
CPU-to-memory ratio: 1:2.
Processor: Powered by AMD EPYC™ Turin processors with a turbo frequency of up to 3.7 GHz, these instances use physical cores to deliver stable computing performance.
For OS compatibility, see AMD instance type and operating system compatibility.
Storage:
You can adjust the baseline storage bandwidth.
I/O optimized.
Supports the NVMe protocol.
Supported disk types: elastic ephemeral disks, Enterprise SSDs (ESSDs), ESSD AutoPL disks, and regional ESSDs. For more information, see Block Storage.
Smaller instance types support burstable disk IOPS and bandwidth. Storage I/O performance scales with instance size. For more information, see Storage I/O performance.
Network:
You can adjust the baseline network bandwidth.
Supports IPv4 and IPv6. For more information, see IPv6 communication.
Supports eRDMA. To learn how to use this feature, see eRDMA.
Supports jumbo frames.
Network performance scales with the instance size.
Security:
Supports Trusted Platform Module (vTPM).
Supports VPC traffic encryption.
The following table describes the instance types in the c9ae family.
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/burst bandwidth (Gbit/s) |
ecs.c9ae.large | 2 | 4 | 2.5/Burstable up to 25 | Up to 1,500,000 | Up to 500,000 | 2 | 3 | 6 | 6 | Up to 200,000 | 2.5/Burstable up to 20 |
ecs.c9ae.xlarge | 4 | 8 | 4/Burstable up to 25 | Up to 1,600,000 | Up to 500,000 | 4 | 4 | 15 | 15 | Up to 200,000 | 3/Burstable up to 20 |
ecs.c9ae.2xlarge | 8 | 16 | 6/Burstable up to 25 | Up to 2,500,000 | Up to 500,000 | 8 | 4 | 15 | 15 | Up to 200,000 | 4/Burstable up to 20 |
ecs.c9ae.4xlarge | 16 | 32 | 10/Burstable up to 25 | Up to 3,200,000 | Up to 500,000 | 16 | 8 | 30 | 30 | Up to 200,000 | 5.5/Burstable up to 20 |
ecs.c9ae.8xlarge | 32 | 64 | 16/Burstable up to 25 | Up to 5,000,000 | Up to 1,000,000 | 32 | 8 | 30 | 30 | Up to 200,000 | 8/Burstable up to 20 |
ecs.c9ae.12xlarge | 48 | 96 | 25/None | 7,500,000 | 1,500,000 | 48 | 8 | 30 | 30 | 150,000 | 13/None |
ecs.c9ae.16xlarge | 64 | 128 | 32/None | 10,000,000 | 2,000,000 | 64 | 8 | 30 | 30 | 200,000 | 16/None |
ecs.c9ae.24xlarge | 96 | 192 | 50/None | 15,000,000 | 3,000,000 | 64 | 15 | 30 | 30 | 300,000 | 25/None |
ecs.c9ae.32xlarge | 128 | 256 | 64/None | 20,000,000 | 4,000,000 | 64 | 15 | 30 | 30 | 400,000 | 32/None |
ecs.c9ae.48xlarge | 192 | 384 | 100/None | 30,000,000 | 6,000,000 | 64 | 15 | 50 | 50 | 600,000 | 50/None |
Compute-optimized instance family c9a
Introduction: Built on the new-generation Alibaba Cloud CIPU architecture and powered by the latest AMD EPYC™ Turin processors to provide stable computing performance, a powerful I/O engine, and chip-level security hardening.
Use cases: Ideal for workloads such as large and medium-sized database systems, game servers, financial quantitative analysis, blockchain, web and application servers, and other general-purpose enterprise applications.
Compute:
The CPU-to-memory ratio is 1:2.
Processor: Powered by AMD EPYC™ Turin processors with a turbo frequency of up to 4.1 GHz to deliver stable computing performance.
For OS compatibility, see AMD instance type and operating system compatibility.
Storage:
I/O-optimized instance.
Supports the NVMe protocol.
Supported disk types: elastic ephemeral disks, ESSDs, ESSD AutoPL disks, and regional ESSDs. For more information about disks, see Block Storage.
Smaller instance types support burstable disk IOPS and bandwidth. Storage I/O performance scales with instance size. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For more information about IPv6, see IPv6 communication.
Supports eRDMA. To learn how to use this feature, see eRDMA.
Supports jumbo frames.
Network performance scales with the instance size.
Security: Supports the vTPM feature.
The following table describes the instance types in the c9a family.
Instance type | vCPUs | Memory (GiB) | Network bandwidth (Gbit/s) | Packet rate (PPS) | Connections | NIC queues | ENIs | Private IPv4 addresses | IPv6 addresses | Maximum disk IOPS | Disk bandwidth (Gbit/s) |
ecs.c9a.large | 2 | 4 | 2.5/Up to 15 | Up to 1,200,000 | Up to 500,000 | 2 | 3 | 6 | 6 | Up to 110,000 | 2/Up to 15 |
ecs.c9a.xlarge | 4 | 8 | 4/Up to 15 | Up to 1,400,000 | Up to 500,000 | 4 | 4 | 15 | 15 | Up to 110,000 | 3/Up to 15 |
ecs.c9a.2xlarge | 8 | 16 | 6/Up to 15 | Up to 2,000,000 | Up to 500,000 | 8 | 4 | 15 | 15 | Up to 110,000 | 4/Up to 15 |
ecs.c9a.4xlarge | 16 | 32 | 12/Up to 25 | Up to 3,000,000 | Up to 500,000 | 16 | 8 | 30 | 30 | Up to 110,000 | 5/Up to 15 |
ecs.c9a.8xlarge | 32 | 64 | 16/Up to 32 | Up to 4,000,000 | Up to 800,000 | 32 | 8 | 30 | 30 | Up to 110,000 | 8/Up to 15 |
ecs.c9a.16xlarge | 64 | 128 | 32/None | Up to 7,500,000 | Up to 1,500,000 | 64 | 8 | 30 | 30 | Up to 120,000 | 16/None |
Compute-optimized instance family c9i
Introduction: Built on Alibaba Cloud's next-generation CIPU architecture and powered by Intel® Xeon® 6 processors with P-cores, these instances deliver stable computing performance, a powerful I/O engine, and chip-level security hardening.
Use cases: Ideal for machine learning inference, data analytics, batch computing, video encoding, frontend game servers, high-performance scientific and engineering applications, and web frontend servers.
Compute:
CPU-to-memory ratio: 1:2.
Processor: Intel® Xeon® Granite Rapids processors with a 3.2 GHz base frequency, an all-core turbo frequency of 3.6 GHz, and a maximum single-core turbo frequency of 3.9 GHz.
NoteThe system may display different frequencies for this instance. The 3.9 GHz maximum single-core turbo frequency is a burst capability that depends on the overall CPU load of the physical server and is not covered by the Service Level Agreement (SLA).
For information about OS compatibility, see Intel instance types and operating system compatibility.
Storage:
I/O optimized instance.
These instances support the NVMe protocol. For more information, see Overview of the NVMe protocol.
Supported cloud disk types: ESSDs and ESSD AutoPL disks. For more information about cloud disks, see Block storage.
For small instance types, disk IOPS and disk bandwidth are burstable. The storage I/O performance of an instance corresponds to its instance type. A larger instance type provides higher storage I/O performance. For more information, see Storage I/O performance.
Network:
These instances support IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.
These instances support eRDMA. For information about how to use eRDMA, see Enable on enterprise-level instance.
These instances support jumbo frames. For more information, see Jumbo frames.
The network performance of an instance corresponds to its instance type. A larger instance type provides higher network performance.
Security: These instances support the vTPM feature. For more information, see Overview of trusted computing.
This table lists the specifications for each instance type in the c9i family.
Instance type | vCPUs | Memory (GiB) | Network bandwidth (Gbit/s) | Network PPS | Connections | NIC queues | ENIs | Private IPv4s per ENI | IPv6 addresses per ENI | Disk IOPS | Disk bandwidth (Gbit/s) |
ecs.c9i.large | 2 | 4 | 2.5/Up to 15 | 1,000,000 | Up to 500,000 | 2 | 3 | 6 | 6 | 25,000/Up to 200,000 | 2/Up to 10 |
ecs.c9i.xlarge | 4 | 8 | 4/Up to 15 | 1,200,000 | Up to 500,000 | 4 | 4 | 15 | 15 | 50,000/Up to 200,000 | 2.5/Up to 10 |
ecs.c9i.2xlarge | 8 | 16 | 6/Up to 15 | 1,600,000 | Up to 500,000 | 8 | 4 | 15 | 15 | 60,000/Up to 200,000 | 4/Up to 10 |
ecs.c9i.3xlarge | 12 | 24 | 10/Up to 15 | 2,400,000 | Up to 500,000 | 12 | 8 | 15 | 15 | 80,000/Up to 200,000 | 5/Up to 10 |
ecs.c9i.4xlarge | 16 | 32 | 12/Up to 25 | 3,000,000 | 500,000 | 16 | 8 | 30 | 30 | 100,000/Up to 200,000 | 6/Up to 10 |
ecs.c9i.6xlarge | 24 | 48 | 15/Up to 25 | 4,500,000 | 600,000 | 24 | 8 | 30 | 30 | 120,000/Up to 200,000 | 7.5/Up to 10 |
ecs.c9i.8xlarge | 32 | 64 | 20/Up to 32 | 6,000,000 | 800,000 | 32 | 8 | 30 | 30 | 200,000/Up to 300,000 | 10/Up to 12 |
ecs.c9i.12xlarge | 48 | 96 | 25/Up to 32 | 9,000,000 | 1,600,000 | 48 | 8 | 30 | 30 | 240,000/Up to 320,000 | 12/最高15 |
ecs.c9i.16xlarge | 64 | 128 | 28/Up to 36 | 12,000,000 | 2,000,000 | 64 | 8 | 30 | 30 | 300,000/Up to 400,000 | 16/Up to 24 |
ecs.c9i.24xlarge | 96 | 192 | 32/Up to 48 | 18,000,000 | 3,000,000 | 64 | 15 | 30 | 30 | 350,000/Up to 600,000 | 20/Up to 28 |
ecs.c9i.32xlarge | 128 | 256 | 36/Up to 50 | 20,000,000 | 4,000,000 | 64 | 15 | 30 | 30 | 400,000/Up to 650,000 | 24/Up to 28 |
ecs.c9i.48xlarge | 192 | 384 | 64/None | 24,000,000 | 6,000,000 | 64 | 15 | 50 | 50 | 500,000/Up to 800,000 | 32/None |
Compute-optimized instance family c8a
Introduction: Built on Alibaba Cloud's self-developed CIPU architecture, these instances provide stable computing performance, a powerful I/O engine, and chip-level security hardening.
Use cases: Ideal for workloads such as big data applications, web applications, AI training and inference, and audio and video transcoding.
Compute:
The CPU-to-memory ratio is 1:2.
Processor: Powered by AMD EPYC™ Genoa processors with a base frequency of 2.7 GHz and a turbo frequency of up to 3.7 GHz, delivering stable computing performance.
Hyper-Threading is supported and enabled by default. To change this setting, see Change CPU options.
For information about operating system compatibility, see AMD instance type and operating system compatibility.
Storage:
These are I/O-optimized instances.
These instances support the NVMe protocol. For more information, see NVMe protocol.
Supported cloud disk types: elastic ephemeral disks, ESSDs, ESSD AutoPL disks, and regional ESSDs. For more information about cloud disks, see Block Storage.
Smaller instance types support burstable disk IOPS and bandwidth, and storage I/O performance scales with instance size. For more information, see Storage I/O performance.
Network:
These instances support IPv4 and IPv6. For more information about IPv6, see IPv6 communication.
These instances support eRDMA. For information about how to use eRDMA, see Enable on enterprise-level instance.
These instances support jumbo frames. For more information, see Jumbo frames.
These instances deliver an ultra-high packet forwarding rate (PPS).
Smaller instance types support burstable network bandwidth.
Network performance scales with the instance size.
Security: These instances support the vTPM feature. For more information, see Overview of trusted computing.
The following table lists the specifications of the c8a instance types.
Instance type | vCPUs | Memory (GiB) | Network bandwidth (Gbit/s) | Packet rate (PPS) | Connections | NIC queues | ENIs | Private IPv4s/ENI | IPv6s/ENI | Disk IOPS | Disk bandwidth (Gbit/s) |
ecs.c8a.large | 2 | 4 | 1.5/12.5 | 900,000 | Up to 250,000 | 2 | 3 | 6 | 6 | 20,000/110,000 | 1.5/10 |
ecs.c8a.xlarge | 4 | 8 | 2.5/12.5 | 1,000,000 | Up to 250,000 | 4 | 4 | 15 | 15 | 30,000/110,000 | 2/10 |
ecs.c8a.2xlarge | 8 | 16 | 4/12.5 | 1,600,000 | Up to 250,000 | 8 | 4 | 15 | 15 | 45,000/110,000 | 2.5/10 |
ecs.c8a.4xlarge | 16 | 32 | 7/12.5 | 2,000,000 | 300,000 | 16 | 8 | 30 | 30 | 60,000/110,000 | 3.5/10 |
ecs.c8a.8xlarge | 32 | 64 | 10/25 | 3,000,000 | 600,000 | 32 | 8 | 30 | 30 | 80,000/110,000 | 5/10 |
ecs.c8a.12xlarge | 48 | 96 | 16/25 | 4,500,000 | 750,000 | 48 | 8 | 30 | 30 | 120,000/None | 8/10 |
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 jumbo frames to achieve the burst network bandwidth of 12.5 Gbit/s. For more information, see jumbo frames.
Enhanced compute-balanced instance family c8ae
Introduction: Built on the Alibaba Cloud-developed CIPU architecture, these instances provide stable computing performance, a powerful I/O engine, and chip-level security hardening.
Use cases:
AI workloads, such as deep learning, training, and AI inference.
High-performance computing (HPC) workloads.
Large and medium-sized database systems, caches, and search clusters.
Massively multiplayer online (MMO) game servers.
Other general-purpose enterprise applications with high performance requirements.
Compute:
The CPU-to-memory ratio is 1:2.
Processor: AMD EPYC™ Genoa processors with a base frequency of 3.4 GHz and a single-core turbo frequency of up to 3.75 GHz provide stable computing performance.
Supports hyper-threading, which is enabled by default. To change this setting, see Change CPU options.
For operating system compatibility, see AMD instance type and operating system compatibility.
Storage:
These instances are I/O optimized.
Supports the NVMe protocol. For more information, see NVMe protocol.
Supported disk types: ESSDs, ESSD AutoPL disks, and regional ESSDs. For more information about disks, see Block Storage.
Smaller instance types offer burstable disk IOPS and bandwidth. Storage I/O performance increases with instance size. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For more information, see IPv6 communication.
These instances support eRDMA. For information about how to use eRDMA, see Enable on enterprise-level instance.
These instances support jumbo frames. For more information, see Jumbo frames.
Delivers a high packet forwarding rate (PPS).
Smaller instance types support burstable network bandwidth.
Network performance increases with instance size.
Security: These instances support the vTPM feature. For more information, see Overview of trusted computing.
The following table lists the specifications for instance types in the c8ae family.
Instance type | vCPUs | Memory (GiB) | Network bandwidth (Gbit/s) | PPS | vTPM | Connections | NIC queues | ENIs | Private IPv4 addresses | IPv6 addresses | Disk IOPS | Disk bandwidth (Mbit/s) |
ecs.c8ae.large | 2 | 4 | 3/up to 15 | 1,000,000 | Yes | up to 300,000 | 2 | 3 | 6 | 6 | 30,000/up to 200,000 | 240/up to 1,200 |
ecs.c8ae.xlarge | 4 | 8 | 4/up to 15 | 1,200,000 | Yes | up to 300,000 | 4 | 4 | 15 | 15 | 50,000/up to 200,000 | 350/up to 1,200 |
ecs.c8ae.2xlarge | 8 | 16 | 6/up to 15 | 1,600,000 | Yes | up to 300,000 | 8 | 4 | 15 | 15 | 60,000/up to 200,000 | 450/up to 1,200 |
ecs.c8ae.4xlarge | 16 | 32 | 12/up to 25 | 3,000,000 | Yes | 500,000 | 16 | 8 | 30 | 30 | 100,000/up to 200,000 | 800/up to 1,200 |
ecs.c8ae.8xlarge | 32 | 64 | 20/up to 25 | 6,000,000 | Yes | 1,000,000 | 32 | 8 | 30 | 30 | 200,000/None | 1,200/None |
ecs.c8ae.16xlarge | 64 | 128 | 32/None | 9,000,000 | Yes | 1,500,000 | 64 | 8 | 30 | 30 | 250,000/None | 1,800/None |
ecs.c8ae.32xlarge | 128 | 256 | 64/None | 18,000,000 | Yes | 3,000,000 | 64 | 15 | 30 | 30 | 500,000/None | 3,600/None |
For ecs.c8ae.large and ecs.c8ae.xlarge instances, you must enable jumbo frames to achieve the burst network bandwidth of 15 Gbit/s. For more information, see jumbo frames.
Compute-optimized instance family c8i
Introduction: Built on the latest Alibaba Cloud CIPU architecture, c8i instances provide consistent computing performance, a powerful I/O engine, and chip-level security.
Use cases: Ideal for machine learning inference, data analytics, batch computing, video encoding, game frontend servers, high-performance scientific and engineering applications, and web frontend servers.
Compute:
CPU-to-memory ratio: 1:2.
Processor: Intel® Xeon® Emerald Rapids or Intel® Xeon® Sapphire Rapids processors with a base frequency of at least 2.7 GHz and an all-core turbo frequency of 3.2 GHz, ensuring consistent computing performance.
NoteWhen you purchase an instance of this family, the system randomly assigns one of the preceding processors. You cannot manually select a processor.
Hyper-Threading is enabled by default. To change this setting, see Change CPU options.
For information about operating system compatibility, see Intel instance types and operating system compatibility.
Storage:
c8i instances are I/O optimized.
Supports the NVMe protocol. For more information, see NVMe protocol.
Supported disk types: elastic ephemeral disks, ESSDs, ESSD AutoPL disks, and regional ESSDs. For more information about disks, see Block Storage.
Smaller instance types offer burstable disk IOPS and bandwidth. Storage I/O performance is proportional to the instance size. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For more information about IPv6, see IPv6 communication.
These instances support eRDMA. For information about how to use eRDMA, see Enable on enterprise-level instance.
These instances support jumbo frames. For more information, see Jumbo frames.
Smaller instance types support burstable network bandwidth.
Network performance is proportional to the instance size.
Security:
These instances support the vTPM feature. For more information, see Overview of trusted computing.
Trusted Platform Module (TPM)/Trusted Cryptography Module (TCM) chips measure and verify a trusted boot chain from the server to the instance to enhance security.
Instances with 4 or more vCPUs support the Alibaba Cloud virtualized enclave feature, which provides a confidential computing environment. For more information, see Alibaba Cloud virtualized enclave.
Uses Intel® Total Memory Encryption (TME).
The following table describes the instance types in the c8i family.
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/Up to 15 | 1,000,000 | Up to 300,000 | 2 | 3 | 6 | 6 | 25,000/Up to 200,000 | 2/Up to 10 |
ecs.c8i.xlarge | 4 | 8 | 4/Up to 15 | 1,200,000 | Up to 300,000 | 4 | 4 | 15 | 15 | 50,000/Up to 200,000 | 2.5/Up to 10 |
ecs.c8i.2xlarge | 8 | 16 | 6/Up to 15 | 1,600,000 | Up to 300,000 | 8 | 4 | 15 | 15 | 60,000/Up to 200,000 | 4/Up to 10 |
ecs.c8i.3xlarge | 12 | 24 | 10/Up to 15 | 2,400,000 | Up to 300,000 | 12 | 8 | 15 | 15 | 80,000/Up to 200,000 | 5/Up to 10 |
ecs.c8i.4xlarge | 16 | 32 | 12/Up to 25 | 3,000,000 | 350,000 | 16 | 8 | 30 | 30 | 100,000/Up to 200,000 | 6/Up to 10 |
ecs.c8i.6xlarge | 24 | 48 | 15/Up to 25 | 4,500,000 | 500,000 | 24 | 8 | 30 | 30 | 120,000/Up to 200,000 | 7.5/Up to 10 |
ecs.c8i.8xlarge | 32 | 64 | 20/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 |
Network-enhanced compute-optimized instance family c8ine
Introduction: Built on the new-generation Alibaba Cloud CIPU architecture, these instances provide stable computing performance and a powerful I/O engine.
Use cases: Ideal for network-intensive workloads that require high forwarding and connection performance, such as network access layer gateways, traffic and data forwarding, and pre-processing middleware. These instances are also suitable for large websites, e-commerce platforms, and AI workloads.
Compute:
The CPU-to-memory ratio is 1:2.
Processor: Powered by Intel® Xeon® Emerald Rapids or Intel® Xeon® Sapphire Rapids processors with a base frequency of at least 2.7 GHz and an all-core turbo frequency of 3.2 GHz, delivering stable computing performance.
Supports Hyper-Threading, which is enabled by default. To change this setting, see Change CPU options.
Storage:
These are I/O optimized instances.
These instances support the NVMe protocol. For more information, see Overview of the NVMe protocol.
Supported disk types: ESSDs, ESSD AutoPL disks, and regional ESSDs. For more information about disks, see Block Storage.
Smaller instance types offer burstable disk IOPS and bandwidth.
Network:
Supports IPv4 and IPv6. For more information, see IPv6 communication.
These instances support jumbo frames. For more information, see Jumbo frames.
The network performance of an instance scales with its size.
Security: Supports trusted computing (vTPM). For more information, see vTPM.
The following table lists the instance types in the c8ine instance family.
Instance type | vCPUs | Memory (GiB) | Network bandwidth (Gbit/s) | Connections | Multi-queue | ENIs | Private IPv4 addresses per ENI | IPv6 addresses per ENI | EBS multi-queue | Disk IOPS | Disk bandwidth (Gbit/s) |
ecs.c8ine.large | 2 | 4 | 4/Up to 24 | 600,000 | 2 | 3 | 10 | 10 | 1 | 20,000/Up to 80,000 | 2/Up to 8 |
ecs.c8ine.xlarge | 4 | 8 | 7/Up to 28 | 1,200,000 | 4 | 4 | 15 | 15 | 1 | 40,000/Up to 80,000 | 2.5/Up to 8 |
ecs.c8ine.2xlarge | 8 | 16 | 12/Up to 35 | 2,000,000 | 8 | 6 | 15 | 15 | 2 | 50,000/Up to 80,000 | 4/Up to 8 |
ecs.c8ine.4xlarge | 16 | 32 | 23/Up to 44 | 3,500,000 | 16 | 8 | 30 | 30 | 2 | 80,000/Up to 100,000 | 6/Up to 10 |
ecs.c8ine.8xlarge | 32 | 64 | 44/None | 7,000,000 | 32 | 8 | 30 | 30 | 4 | 100,000/None | 10/None |
Compute-optimized instance family c8y
Introduction: Powered by Alibaba Cloud's in-house Arm-based Yitian 710 processors and built on the fourth-generation SHENLONG architecture, these instances deliver stable and predictable ultra-high performance. They leverage chip-level fast path acceleration to achieve order-of-magnitude improvements in storage, network performance, and computing stability.
Use cases: Ideal for containers, microservices, websites and application servers, video encoding and decoding, HPC, and CPU-based machine learning.
Compute:
The CPU-to-memory ratio is 1:2.
Processor: Yitian 710 processors with a 2.75 GHz base frequency, delivering stable computing performance.
Storage:
These are I/O-optimized instances.
Supports the NVMe protocol. For more information, see NVMe protocol.
Supported disk types: elastic ephemeral disks, ESSDs, ESSD AutoPL disks, and regional ESSDs. For more information about disks, see Block Storage.
Smaller instance types support burstable disk IOPS and bandwidth. Storage I/O performance increases with instance size. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For more information, see IPv6 communication.
Supports eRDMA. To learn how to use this feature, see eRDMA.
These instances support jumbo frames. For more information, see Jumbo frames.
These instances deliver an ultra-high packet forwarding rate (PPS).
Smaller instance types support burstable network bandwidth.
Network performance increases with instance size.
Security: These instances support the vTPM feature. For more information, see Overview of trusted computing.
The following table lists the instance types in the c8y family.
Instance type | vCPUs | Memory (GiB) | Network bandwidth (baseline/burst, Gbit/s) | Network PPS | Connections | NIC queues | ENIs | Private IPv4s per ENI | IPv6s per ENI | Max data disks | Disk IOPS (baseline/burst) | Disk bandwidth (baseline/burst, Gbit/s) |
ecs.c8y.small | 1 | 2 | 1/10 | 500,000 | Up to 250,000 | 1 | 2 | 3 | 3 | 5 | 10,000/Up to 110,000 | 1/Up to 10 |
ecs.c8y.large | 2 | 4 | 2/10 | 900,000 | Up to 250,000 | 2 | 3 | 6 | 6 | 8 | 20,000/Up to 110,000 | 1.5/Up to 10 |
ecs.c8y.xlarge | 4 | 8 | 3/10 | 1,000,000 | Up to 250,000 | 4 | 4 | 15 | 15 | 8 | 40,000/Up to 110,000 | 2/Up to 10 |
ecs.c8y.2xlarge | 8 | 16 | 5/10 | 1,600,000 | Up to 250,000 | 8 | 4 | 15 | 15 | 16 | 50,000/Up to 110,000 | 3/Up to 10 |
ecs.c8y.4xlarge | 16 | 32 | 10/25 | 3,000,000 | 400,000 | 16 | 8 | 30 | 30 | 16 | 80,000/Up to 110,000 | 5/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 |
To use the ecs.c8y.32xlarge instance type, submit a ticket.
Compute-optimized instance family c7a
Introduction: Built on the third-generation SHENLONG architecture, c7a instances deliver stable and predictable ultra-high performance. They leverage chip-level fast path acceleration to achieve order-of-magnitude improvements in storage performance, network performance, and computing stability.
Use cases:
Video encoding and decoding.
High packet forwarding rate (PPS) workloads, such as live video commenting and telecom service forwarding.
Web frontend servers.
Massively multiplayer online (MMO) game frontends.
Development and testing, such as DevOps.
Data analytics and batch computing.
High-performance scientific and engineering applications.
Enterprise-grade applications.
Compute:
The CPU-to-memory ratio is 1:2.
Processor: AMD EPYC™ MILAN processors with a 2.55 GHz base frequency and a single-core turbo frequency of up to 3.5 GHz deliver stable computing performance.
Supports Hyper-Threading, which is enabled by default. For more information, see Change CPU options.
For details on operating system compatibility, see AMD instance type and operating system compatibility.
Storage:
I/O-optimized instance.
Supported cloud disk types: ESSDs, ESSD AutoPL, and regional ESSDs. See block storage for more information.
Smaller instance types offer burstable cloud disk IOPS and bandwidth. The storage I/O performance of an instance is proportional to its size. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For more information, see IPv6 communication.
Delivers an ultra-high packet forwarding rate (PPS).
Smaller instance types support burstable network bandwidth.
The network performance of an instance is proportional to its size.
The following table lists the specifications for the c7a instance family.
Instance type | vCPUs | Memory (GiB) | Network bandwidth (Gbit/s) | PPS | Connections | NIC queues | ENIs | Private IPv4s per ENI | IPv6s per ENI | Disk IOPS | Disk bandwidth (Gbit/s) |
ecs.c7a.large | 2 | 4 | 1/Up to 10 | 900,000 | Up to 250,000 | 2 | 3 | 6 | 6 | 12,500/Up to 110,000 | 1/Up to 6 |
ecs.c7a.xlarge | 4 | 8 | 1.5/Up to 10 | 1,000,000 | Up to 250,000 | 4 | 4 | 15 | 15 | 20,000/Up to 110,000 | 1.5/Up to 6 |
ecs.c7a.2xlarge | 8 | 16 | 2.5/Up to 10 | 1,600,000 | Up to 250,000 | 8 | 4 | 15 | 15 | 30,000/Up to 110,000 | 2/Up to 6 |
ecs.c7a.4xlarge | 16 | 32 | 5/Up to 10 | 2,000,000 | 300,000 | 8 | 8 | 30 | 30 | 60,000/Up to 110,000 | 3/Up to 6 |
ecs.c7a.8xlarge | 32 | 64 | 8/Up to 10 | 3,000,000 | 600,000 | 16 | 7 | 30 | 30 | 75,000/Up to 110,000 | 4/Up to 6 |
ecs.c7a-nps1.8xlarge | 32 | 64 | 8/Up to 10 | 3,000,000 | 600,000 | 16 | 7 | 30 | 30 | 75,000/Up to 110,000 | 4/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 |
The kernels of Ubuntu 16 and Debian 9 do not support AMD EPYC™ MILAN processors. If you select this instance type, do not use an Ubuntu 16 or Debian 9 image to create the instance. Otherwise, the instance will fail to start.
Compute-optimized instance family c7
Introduction: Built on the third-generation Shenlong architecture, c7 instances deliver stable and predictable ultra-high performance. They leverage chip-level fast path acceleration to achieve order-of-magnitude improvements in storage performance, network performance, and compute stability.
Use cases:
High packet forwarding rate (PPS) workloads, such as live video commenting and telecom traffic forwarding.
Frontend servers for massively multiplayer online (MMO) games.
Web frontend servers.
Data analytics, batch computing, and video encoding.
High-performance scientific and engineering applications.
Trusted computing workloads.
Enterprise-grade applications of all types and sizes.
Blockchain workloads.
Compute:
The CPU-to-memory ratio is 1:2.
Processor: Third-generation Intel® Xeon® Scalable (Ice Lake) with a base frequency of 2.7 GHz and an all-core turbo frequency of 3.5 GHz, ensuring consistent compute performance.
Hyper-Threading is supported and enabled by default. For more information, see Change CPU options.
Storage:
I/O-optimized instance.
Supported cloud disk types: ESSDs, ESSD AutoPL disks, and regional ESSDs. For more information, see block storage.
Smaller instance types offer burstable disk IOPS and bandwidth. Storage I/O performance scales with instance size. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For more information, see IPv6 communication.
These instances support jumbo frames. For more information, see Jumbo frames.
Delivers an ultra-high packet forwarding rate (PPS).
Smaller instance types support burstable network bandwidth.
Network performance scales with instance size.
Security:
These instances support the vTPM feature. For more information, see Overview of trusted computing.
Supports the Alibaba Cloud virtualized Enclave feature, providing a virtualization-based confidential computing environment. For more information, see Enclave.
The following table lists the specifications for the c7 instance types.
Instance type | vCPUs | Memory (GiB) | Network bandwidth (Gbit/s) | Packet forwarding rate (PPS) | vTPM | Connections | NIC queues | ENIs | Private IPv4 addresses | IPv6 addresses | Max data disks | Disk IOPS | Disk bandwidth (Gbit/s) |
ecs.c7.large | 2 | 4 | 2/Up to 12.5 | 1,100,000 | Yes | Up to 500,000 | 2 | 3 | 6 | 6 | 8 | 20,000/Up to 160,000 | 1.5/Up to 10 |
ecs.c7.xlarge | 4 | 8 | 3/Up to 12.5 | 1,100,000 | Yes | Up to 500,000 | 4 | 4 | 15 | 15 | 8 | 40,000/Up to 160,000 | 2/Up to 10 |
ecs.c7.2xlarge | 8 | 16 | 5/Up to 15 | 1,600,000 | Yes | Up to 500,000 | 8 | 4 | 15 | 15 | 16 | 50,000/Up to 160,000 | 3/Up to 10 |
ecs.c7.3xlarge | 12 | 24 | 8/Up to 15 | 2,400,000 | Yes | Up to 500,000 | 8 | 8 | 15 | 15 | 16 | 70,000/Up to 160,000 | 4/Up to 10 |
ecs.c7.4xlarge | 16 | 32 | 10/Up to 25 | 3,000,000 | Yes | 500,000 | 8 | 8 | 30 | 30 | 16 | 80,000/Up to 160,000 | 5/Up to 10 |
ecs.c7.6xlarge | 24 | 48 | 12/Up to 25 | 4,500,000 | Yes | 550,000 | 12 | 8 | 30 | 30 | 16 | 110,000/Up to 160,000 | 6/Up to 10 |
ecs.c7.8xlarge | 32 | 64 | 16/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 |
Compute-optimized instance family c6r
Introduction: Built on the third-generation SHENLONG architecture, c6r instances deliver stable and predictable ultra-high performance. They use chip-level fast path acceleration to significantly improve storage performance, network performance, and compute stability.
Use cases:
Containers and microservices
Development and testing (DevOps)
Websites and application servers
CPU-based machine learning inference
High-performance scientific and engineering applications
Compute:
The CPU-to-memory ratio is 1:2.
Processor: Powered by 2.8 GHz Ampere® Altra® processors for stable compute performance.
Storage:
These are I/O optimized instances.
Supported cloud disk types: ESSDs, ESSD AutoPL disks, regional ESSDs, standard SSDs, and ultra disks. For more information, see Block Storage.
Storage I/O performance scales with instance size. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For more information, see IPv6 communication.
Delivers an ultra-high packet forwarding rate (PPS).
Smaller instance types support burstable network bandwidth.
Network performance scales with instance size.
The following table describes the specifications of the instance types in the c6r family.
Instance type | vCPUs | Memory (GiB) | Network bandwidth (Gbit/s) | Packet rate (PPS) | Connections (thousands) | NIC queues | ENIs | Private IPv4 addresses | IPv6 addresses | Disk baseline IOPS | Baseline bandwidth (Gbit/s) |
ecs.c6r.large | 2 | 4 | 1/10 | 900,000 | Up to 250 | 2 | 3 | 6 | 1 | 12,500 | 1 |
ecs.c6r.xlarge | 4 | 8 | 1/10 | 1,000,000 | Up to 250 | 4 | 4 | 15 | 1 | 20,000 | 1.5 |
ecs.c6r.2xlarge | 8 | 16 | 2/10 | 1,600,000 | Up to 250 | 8 | 4 | 15 | 1 | 30,000 | 2 |
ecs.c6r.4xlarge | 16 | 32 | 5/10 | 2,000,000 | 300 | 8 | 8 | 30 | 1 | 60,000 | 3 |
ecs.c6r.8xlarge | 32 | 64 | 8/10 | 3,000,000 | 600 | 16 | 7 | 30 | 1 | 75,000 | 4 |
ecs.c6r.16xlarge | 64 | 128 | 16/None | 6,000,000 | 900 | 32 | 8 | 30 | 1 | 150,000 | 8 |
Compute-optimized instance family c6a
Introduction: Built on the SHENLONG architecture, c6a instances offload virtualization features to dedicated hardware, reducing virtualization overhead and delivering stable, predictable, and ultra-high performance.
Use cases: Ideal for video encoding and decoding, high packet forwarding rate (PPS) workloads, web frontend servers, frontend servers for massively multiplayer online (MMO) games, and DevOps.
Compute:
The CPU-to-memory ratio is 1:2.
Processor: Powered by 2.6 GHz AMD EPYC™ ROME processors with a turbo frequency of 3.3 GHz, delivering stable computing performance.
Hyper-Threading is supported and enabled by default. For more information, see Change CPU options.
For operating system compatibility, see AMD instance type and operating system compatibility.
Storage:
I/O optimized instance.
Supported cloud disk types: ESSDs, ESSD AutoPL disks, standard SSDs, and ultra disks. See Elastic Block Storage Overview for more information.
Storage I/O performance scales with the instance type. See Storage I/O performance for more information.
Network:
Supports IPv4 and IPv6. See IPv6 communication for more information.
Delivers an ultra-high packet forwarding rate (PPS).
Network performance scales with the instance type.
The following table lists the specifications for the instance types in the c6a family.
Instance type | vCPUs | Memory (GiB) | Network bandwidth (Gbit/s) | Packet rate (PPS) | Connections | NIC queues | ENIs | Private IPv4s per ENI | IPv6s per ENI | Base disk IOPS | Base disk 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 |
Compute-balanced instance family c6e
Introduction: c6e instances are built on the third-generation SHENLONG architecture and offload many virtualization features to dedicated hardware. This design reduces virtualization overhead and delivers stable, predictable, and ultra-high performance. These instances use chip-level fast-path acceleration to achieve order-of-magnitude improvements in storage performance, network performance, and computing stability.
Use cases:
High packet forwarding rate (PPS) scenarios, such as live video commenting and telecom service forwarding.
Web frontend servers.
Massively multiplayer online (MMO) game frontends.
Data analytics, batch computing, and video encoding.
High-performance scientific and engineering applications.
Compute:
The CPU-to-memory ratio is approximately 1:2.
Processor: Intel® Xeon® Platinum 8269CY (Cascade Lake) with a 2.5 GHz base frequency and a 3.2 GHz turbo frequency, delivering stable computing performance.
Supports Hyper-Threading. This feature is enabled by default. For more information, see Change CPU options.
NoteThis instance family does not support FreeBSD 13.2 or earlier versions due to compatibility issues. Use FreeBSD 13.3 or later.
Storage:
I/O-optimized instance.
Supported cloud disk types: ESSDs, ESSD AutoPL, and regional ESSDs. For more information, see Block Storage.
Storage I/O performance scales with the instance size. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For more information, see IPv6 communication.
Offers an ultra-high packet forwarding rate (PPS).
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.
Network performance scales with the instance size.
The following table describes the specifications for the instance types in the c6e family.
Instance type | vCPUs | Memory (GiB) | Network bandwidth (Gbit/s) | Forwarding rate (PPS) | Connections | NIC queues | ENIs | Private IPv4 addresses | IPv6 addresses | Disk baseline 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 | 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/无 | 24,000,000 | 1,800,000 | 32 | 15 | 30 | 1 | 480,000 | 16 |
Compute-optimized instance family c6
Introduction: Built on the Shenlong architecture, c6 instances offload virtualization functions to dedicated hardware. This design reduces virtualization overhead and delivers stable, predictable, and exceptionally high performance.
Use cases:
High packet forwarding rate (PPS) workloads, such as live video commenting and telecom traffic forwarding.
Web frontend servers.
Frontend servers for massively multiplayer online (MMO) games.
Data analytics, batch computing, and video encoding.
High-performance scientific and engineering applications.
Compute:
The CPU-to-memory ratio is 1:2.
Processor: Features 2.5 GHz Intel® Xeon® Platinum 8269CY (Cascade Lake) processors with a 3.2 GHz turbo frequency, which provide consistent computing performance.
Hyper-Threading is supported and enabled by default. To change this setting, see Change CPU options.
NoteThis instance family does not support FreeBSD 13.2 or earlier versions due to compatibility issues. Use FreeBSD 13.3 or a later version.
Storage:
These are I/O optimized instances.
Supported cloud disk types: ESSDs, ESSD AutoPL disks, standard SSDs, and ultra disks. For more information, see 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.
Storage I/O performance scales with instance size. For more information, see Storage I/O performance.
Network:
Supports IPv4 and IPv6. For more information, see IPv6 communication.
Provides an exceptionally high packet forwarding rate (PPS).
Network performance scales with instance size.
The following table lists the specifications for the c6 instance types.
Instance type | vCPUs | Memory (GiB) | Network bandwidth (baseline/burst, Gbit/s) | Network PPS | Connections | NIC queues | ENIs | Private IPv4 addresses | IPv6 addresses | Disk IOPS (baseline) | Disk bandwidth (baseline, Gbit/s) |
ecs.c6.large | 2 | 4 | 1/Up to 3 | 300,000 | Up to 250,000 | 2 | 2 | 6 | 1 | 10,000 | 1 |
ecs.c6.xlarge | 4 | 8 | 1.5/Up to 5 | 500,000 | Up to 250,000 | 4 | 3 | 10 | 1 | 20,000 | 1.5 |
ecs.c6.2xlarge | 8 | 16 | 2.5/Up to 8 | 800,000 | Up to 250,000 | 8 | 4 | 10 | 1 | 25,000 | 2 |
ecs.c6.3xlarge | 12 | 24 | 4/Up to 10 | 900,000 | Up to 250,000 | 8 | 6 | 10 | 1 | 30,000 | 2.5 |
ecs.c6.4xlarge | 16 | 32 | 5/Up to 10 | 1,000,000 | 300,000 | 8 | 8 | 20 | 1 | 40,000 | 3 |
ecs.c6.6xlarge | 24 | 48 | 7.5/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 |
Compute-optimized instance family c5
Use cases:
High packet forwarding rate (PPS) scenarios, such as live video commenting and telecom traffic forwarding.
Web frontend servers.
Massively multiplayer online (MMO) game frontends.
Data analytics, batch computing, and video encoding.
High-performance scientific and engineering applications.
Compute:
CPU-to-memory ratio: 1:2.
Processor: Features 2.5 GHz Intel® Xeon® Platinum 8163 (Skylake) or 8269CY (Cascade Lake) processors for consistent computing performance.
NoteInstances in this family may be deployed on different server platforms. If you require a consistent server platform, use c6, c6e, or c7 instances.
Storage:
I/O-optimized instance.
Supported disk types: ESSDs, ESSD AutoPL disks, standard SSDs, and Ultra Disks. For more information, see 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 details, see IPv6 communication.
Delivers an ultra-high packet forwarding rate (PPS).
Network performance scales with instance size.
The following table describes the instance types in the c5 family.
Instance type | vCPUs | Memory (GiB) | Baseline bandwidth (Gbit/s) | Packet rate (PPS) | NIC queues | ENIs | Private IPv4s per ENI | IPv6s 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
Use cases:
Web frontend servers.
Data analytics, batch computing, and video encoding.
High packet forwarding rate (PPS) workloads, such as live video commenting and telecom traffic forwarding.
Frontend servers for massively multiplayer online (MMO) games.
Compute:
The vCPU-to-memory ratio is 1:1.
Processor: Intel ® Xeon ® Platinum 8163 (Skylake) or 8269CY (Cascade Lake) with a 2.5 GHz base frequency and a 2.7 GHz all-core turbo frequency for consistent compute performance.
Storage:
I/O-optimized instance.
Supported disk types: ESSDs, ESSD AutoPL disks, standard SSDs, and ultra disks. For more information, see Block Storage.
Network:
Supports only IPv4.
Delivers an ultra-high packet forwarding rate (PPS).
Network performance scales with the instance type.
This table lists the specifications for the ic5 family.
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 |
Network-enhanced instance family sn1ne
Use cases:
High packet forwarding rate (PPS) workloads, such as live video commenting and telecom service forwarding.
Web frontend servers.
Massively multiplayer online (MMO) game frontends.
Data analytics, batch computing, and video encoding.
High-performance scientific and engineering applications.
Compute:
The CPU-to-memory ratio is 1:2.
Processor: 2.5 GHz Intel® Xeon® E5-2682 v4 (Broadwell), Platinum 8163 (Skylake), or 8269CY (Cascade Lake) processors that provide stable computing performance.
NoteInstances in this family run on different server platforms. If your application requires a consistent server platform, we recommend using
c6,c6e, orc7instances.
Storage:
I/O optimized.
Supported cloud disks: only standard SSDs and ultra disks. For more information, see block storage.
Network:
Supports IPv4 and IPv6. For more information, see IPv6 communication.
Provides an ultra-high packet forwarding rate (PPS).
Network performance scales with the instance type.
sn1ne includes the following instance types and metrics:
Instance type | vCPUs | Memory (GiB) | Baseline bandwidth (Gbit/s) | Packet rate (PPS) | NIC queues | ENIs | Private IPv4 addresses | IPv6 addresses |
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 |