This topic describes the features of compute optimized instance families of ECS and lists the instance types of each family.

c6a, compute optimized instance family

c6a is in invitational preview. To use c6a, submit a ticket.

Features
  • Uses the SHENLONG architecture to provide predictable and consistent high performance and reduce virtualization overheads.
  • Compute:
    • Uses 2.6 GHz AMD EPYC TM ROME processors that deliver a maximum turbo frequency of 3.3 GHz for consistent computing performance.
    • Offers a CPU-to-memory ratio of 1:2.
    • Allows you to enable or disable hyper-threading.
      Note By default, Hyper-Threading is enabled on ECS instances. For more information, see Customize CPU options.
  • Storage:
    • Is an instance family in which all instances are I/O optimized.
    • Supports enhanced SSDs (ESSDs), standard SSDs, and ultra disks.
    • Provides high storage I/O performance based on large computing capacity.
      Note For more information about the storage I/O performance of the new generation of enterprise-level instance families, see Storage I/O performance.
  • Network:
    • Provides an ultra-high packet forwarding rate.
    • Provides high network performance based on large computing capacity.
  • Scenarios:
    • Video encoding and decoding
    • Scenarios where large volumes of packets are received and transmitted
    • Web frontend servers
    • Frontend servers of massively multiplayer online (MMO) games
    • Test and development, such as DevOps
Instance types
Instance type vCPU Memory (GiB) Local storage (GiB) Base bandwidth (Gbit/s) Burstable bandwidth (Gbit/s) Packet forwarding rate (Kpps) IPv6 support ENIs (including one primary ENI) IOPS (K) Disk bandwidth (Gbit/s)
ecs.c6a.large 2 4.0 None 1.0 10.0 900 Yes 2 12.5 1.0
ecs.c6a.xlarge 4 8.0 None 1.5 10.0 1,000 Yes 3 20 1.5
ecs.c6a.2xlarge 8 16.0 None 2.5 10.0 1,600 Yes 4 30 2.0
ecs.c6a.4xlarge 16 32.0 None 5.0 10.0 2,000 Yes 8 60 3.0
ecs.c6a.8xlarge 32 64.0 None 8.0 10.0 3,000 Yes 7 75 4,0
ecs.c6a.16xlarge 64 128.0 None 16.0 None 6,000 Yes 8 150 8.0
ecs.c6a.32xlarge 128 256.0 None 32.0 None 12,000 Yes 15 300 16.0
ecs.c6a.64xlarge 256 512.0 None 64.0 None 24,000 Yes 15 600 32.0
Note

c6t, security-enhanced compute optimized instance family

c6t is in invitational review.

Features
  • Implements trusted boot based on the Trusted Platform Module (TPM) chip. During a trusted boot, each module in the boot chain from the underlying hardware to the guest OS is measured and verified.
  • Supports comprehensive monitoring on the IaaS layer and provides trusted capabilities of the whole IaaS layer.
  • Uses the third-generation SHENLONG architecture to provide predictable and consistent high performance and reduce virtualization overheads. c6t improves storage performance, network performance, and computing stability by an order of magnitude through fast path acceleration of chips.
  • Compute:
    • Uses 2.5 GHz Intel ® Xeon ® Platinum 8269 (Cascade Lake) processors that deliver a maximum turbo frequency of 3.2 GHz for consistent computing performance.
    • Offers a CPU-to-memory ratio of 1:2.
    • Allows you to enable or disable hyper-threading.
      Note By default, Hyper-Threading is enabled on ECS instances. For more information, see Customize CPU options.
  • Storage:
    • Is an instance family in which all instances are I/O optimized.
    • Supports ESSDs only.
    • Provides high storage I/O performance based on large computing capacity.
      Note For more information about the storage I/O performance of the new generation of enterprise-level instance families, see Storage I/O performance.
  • Network:
    • Provides an ultra-high packet forwarding rate.
    • Provides high network performance based on large computing capacity.
  • Scenarios:
    • Scenarios that require high security and enhanced trust, such as financial services, government affairs, and enterprise services
    • Scenarios where large volumes of packets are received and transmitted, such as bullet screen and re-transmission of telecommunication information
    • Web frontend servers
    • Frontend servers of MMO games
    • Data analysis, batch processing, and video encoding
    • High-performance scientific and engineering applications.
Instance types
Instance type vCPU Memory (GiB) Local storage (GiB) Bandwidth (Gbit/s) Packet forwarding rate (Kpps) TPM support IPv6 support Connections (K) NIC queues ENIs (including one primary ENI) Private IP addresses per ENI IOPS (K) Disk bandwidth (Gbit/s)
ecs.c6t.large 2 4.0 None A burstable bandwidth of up to 10.0 900 Yes Yes Up to 250 2 3 6 20 1.0
ecs.c6t.xlarge 4 8.0 None A burstable bandwidth of up to 10.0 1,000 Yes Yes Up to 250 4 4 15 40 1.5
ecs.c6t.2xlarge 8 16.0 None A burstable bandwidth of up to 10.0 1,600 Yes Yes Up to 250 8 4 15 50 2.0
ecs.c6t.4xlarge 16 32.0 None A burstable bandwidth of up to 10.0 3,000 Yes Yes 300 8 8 30 80 3.0
ecs.c6t.8xlarge 32 64.0 None 10.0 6,000 Yes Yes 600 16 8 30 150 5.0
ecs.c6t.13xlarge 52 96.0 None 16.0 9,000 Yes Yes 900 32 7 30 240 8.0
ecs.c6t.26xlarge 104 192.0 None 32.0 24,000 Yes Yes 1,800 32 15 30 480 16.0
Note
  • 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 Description of instance specifications.
  • 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 metrics of the network.

c6e, compute optimized instance family with enhanced performance

Features
  • Uses the third-generation SHENLONG architecture to provide predictable and consistent high performance and reduce virtualization overheads. c6e improves storage performance, network performance, and computing stability by an order of magnitude through fast path acceleration of chips.
  • Is an instance family in which all instances are I/O optimized.
  • Supports ESSDs only.
  • Provides high network and storage I/O performance based on large computing capacity.
    Note For more information about the storage I/O performance of the new generation of enterprise-level instance families, see Storage I/O performance.
  • Provides an ultra-high packet forwarding rate.
    Note The maximum network performance varies with instance families. For higher concurrent connection capabilities, we recommend that you use g5ne.
  • Offers a CPU-to-memory ratio of 1:2.
  • Uses 2.5 GHz Intel ® Xeon ® Platinum 8269 (Cascade) processors that deliver a maximum turbo frequency of 3.2 GHz for consistent computing performance.
  • Allows you to enable or disable hyper-threading.
    Note By default, Hyper-Threading is enabled on ECS instances. For more information, see Customize CPU options.
  • Applies to the following scenarios:
    • Scenarios where large volumes of packets are received and transmitted, such as bullet screen and re-transmission of telecommunication information
    • Web frontend servers
    • Frontend servers of MMO games
    • Data analysis, batch processing, and video encoding
    • High-performance scientific and engineering applications.
Instance types
Instance type vCPU Memory (GiB) Local storage (GiB) Bandwidth (Gbit/s) Packet forwarding rate (Kpps) IPv6 support Connections (K) NIC queues ENIs (including one primary ENI) Private IP addresses per ENI IOPS (K) Disk bandwidth (Gbit/s)
ecs.c6e.large 2 4.0 None A burstable bandwidth of up to 10.0 900 Yes Up to 250 2 3 6 20 1.0
ecs.c6e.xlarge 4 8.0 None A burstable bandwidth of up to 10.0 1,000 Yes Up to 250 4 4 15 40 1.5
ecs.c6e.2xlarge 8 16.0 None A burstable bandwidth of up to 10.0 1,600 Yes Up to 250 8 4 15 50 2.0
ecs.c6e.4xlarge 16 32.0 None A burstable bandwidth of up to 10.0 3,000 Yes 300 8 8 30 80 3.0
ecs.c6e.8xlarge 32 64.0 None 10.0 6,000 Yes 600 16 8 30 150 5.0
ecs.c6e.13xlarge 52 96.0 None 16.0 9,000 Yes 900 32 7 30 240 8.0
ecs.c6e.26xlarge 104 192.0 None 32.0 24,000 Yes 1,800 32 15 30 480 16.0
Note
  • 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 Description of instance specifications.
  • 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 metrics of the network.

c6, compute optimized instance family

Features
  • Uses the SHENLONG architecture to provide predictable and consistent high performance and reduce virtualization overheads.
  • Is an instance family in which all instances are I/O optimized.
  • Supports ESSDs, standard SSDs, and ultra disks.
    Note The maximum performance of disks varies with instance families. A single instance of this instance family can deliver up to 200,000 IOPS. For higher storage I/O performance, we recommend that you use g6se.
  • Provides high storage I/O performance based on large compute capacity.
    Note For more information about the storage I/O performance of the new generation of enterprise-level instance families, see Storage I/O performance.
  • Allows you to enable or disable hyper-threading.
    Note By default, Hyper-Threading is enabled on ECS instances. For more information, see Customize CPU options.
  • Offers a CPU-to-memory ratio of 1:2.
  • Provides an ultra-high packet forwarding rate.
  • Uses 2.5 GHz Intel ® Xeon ® Platinum 8269CY (Cascade Lake) processors that deliver a maximum turbo frequency of 3.2 GHz for consistent computing performance.
  • Provides high network performance based on large computing capacity.
  • Supports instance type changes to g6 or r6.
  • Applies to the following scenarios:
    • Scenarios where large volumes of packets are received and transmitted, such as bullet screen and re-transmission of telecommunication information
    • Web frontend servers
    • Frontend servers of MMO games
    • Data analysis, batch processing, and video encoding
    • High-performance scientific and engineering applications.
Instance types
Instance type vCPU Memory (GiB) Local storage (GiB) Base bandwidth (Gbit/s) Burstable bandwidth (Gbit/s) Packet forwarding rate (Kpps) IPv6 support Connections (K) NIC queues ENIs (including one primary ENI) Private IP addresses per ENI IOPS (K) Disk bandwidth (Gbit/s)
ecs.c6.large 2 4.0 None 1.0 3.0 300 Yes Up to 250 2 2 6 10 1
ecs.c6.xlarge 4 8.0 None 1.5 5.0 500 Yes Up to 250 4 3 10 20 1.5
ecs.c6.2xlarge 8 16.0 None 2.5 8.0 800 Yes Up to 250 8 4 10 25 2
ecs.c6.3xlarge 12 24.0 None 4.0 10.0 900 Yes Up to 250 8 6 10 30 2.5
ecs.c6.4xlarge 16 32.0 None 5.0 10.0 1,000 Yes 300 8 8 20 40 3
ecs.c6.6xlarge 24 48.0 None 7.5 10.0 1,500 Yes 450 12 8 20 50 4
ecs.c6.8xlarge 32 64.0 None 10.0 None 2,000 Yes 600 16 8 20 60 5
ecs.c6.13xlarge 52 96.0 None 12.5 None 3,000 Yes 900 32 7 20 100 8
ecs.c6.26xlarge 104 192.0 None 25.0 None 6,000 Yes 1,800 32 15 20 200 16
Note

c5, compute optimized instance family

Features
  • Is an instance family in which all instances are I/O optimized.
  • Supports ESSDs, standard SSDs, and ultra disks.
    Note The maximum performance of disks varies with instance families. A single instance of this instance family can deliver up to 200,000 IOPS. For higher storage I/O performance, we recommend that you use g6se.
  • Offers a CPU-to-memory ratio of 1:2.
  • Provides an ultra-high packet forwarding rate.
  • Uses 2.5 GHz Intel ® Xeon ® Platinum 8163 (Skylake) or 8269CY (Cascade Lake) processors for consistent computing performance.
  • Provides high network performance based on large computing capacity.
  • Applies to the following scenarios:
    • Scenarios where large volumes of packets are received and transmitted, such as bullet screen and re-transmission of telecommunication information
    • Web frontend servers
    • Frontend servers of MMO games
    • Data analysis, batch processing, and video encoding
    • High-performance scientific and engineering applications.
Instance types
Instance type vCPU Memory (GiB) Local storage (GiB) Bandwidth (Gbit/s) Packet forwarding rate (Kpps) IPv6 support NIC queues ENIs (including one primary ENI) Private IP addresses per ENI
ecs.c5.large 2 4.0 None 1.0 300 Yes 2 2 6
ecs.c5.xlarge 4 8.0 None 1.5 500 Yes 2 3 10
ecs.c5.2xlarge 8 16.0 None 2.5 800 Yes 2 4 10
ecs.c5.3xlarge 12 24.0 None 4.0 900 Yes 4 6 10
ecs.c5.4xlarge 16 32.0 None 5.0 1,000 Yes 4 8 20
ecs.c5.6xlarge 24 48.0 None 7.5 1,500 Yes 6 8 20
ecs.c5.8xlarge 32 64.0 None 10.0 2,000 Yes 8 8 20
ecs.c5.16xlarge 64 128.0 None 20.0 4,000 Yes 16 8 20
Note

ic5, compute intensive instance family

Features
  • Is an instance family in which all instances are I/O optimized.
  • Supports ESSDs, standard SSDs, and ultra disks.
  • Offers a CPU-to-memory ratio of 1:1.
  • Provides an ultra-high packet forwarding rate.
  • Uses 2.5 GHz Intel ® Xeon ® Platinum 8163 (Skylake) or 8269CY (Cascade Lake) processors for consistent computing performance.
  • Provides high network performance based on large computing capacity.
  • Applies to the following scenarios:
    • Web frontend servers
    • Data analysis, batch processing, and video encoding
    • Scenarios where large volumes of packets are received and transmitted, such as bullet screen and re-transmission of telecommunication information
    • Frontend servers of MMO games
Instance types
Instance type vCPU Memory (GiB) Local storage (GiB) Bandwidth (Gbit/s) Packet forwarding rate (Kpps) IPv6 support NIC queues ENIs (including one primary ENI) Private IP addresses per ENI
ecs.ic5.large 2 2.0 None 1.0 300 No 2 2 6
ecs.ic5.xlarge 4 4.0 None 1.5 500 No 2 3 10
ecs.ic5.2xlarge 8 8.0 None 2.5 800 No 2 4 10
ecs.ic5.3xlarge 12 12.0 None 4.0 900 No 4 6 10
ecs.ic5.4xlarge 16 16.0 None 5.0 1,000 No 4 8 20
Note

sn1ne, compute optimized instance family with enhanced network performance

Features
  • Is an instance family in which all instances are I/O optimized.
  • Supports standard SSDs and ultra disks only.
  • Offers a CPU-to-memory ratio of 1:2.
  • Provides an ultra-high packet forwarding rate.
  • Uses 2.5 GHz Intel ® Xeon ® E5-2682 v4 (Broadwell) or Platinum 8163 (Skylake) processors for consistent computing performance.
  • Provides high network performance based on large computing capacity.
  • Applies to the following scenarios:
    • Scenarios where large volumes of packets are received and transmitted, such as bullet screen and re-transmission of telecommunication information
    • Web frontend servers
    • Frontend servers of MMO games
    • Data analysis, batch processing, and video encoding
    • High-performance scientific and engineering applications.
Instance types
Instance type vCPU Memory (GiB) Local storage (GiB) Bandwidth (Gbit/s) Packet forwarding rate (Kpps) IPv6 support NIC queues ENIs (including one primary ENI) Private IP addresses per ENI
ecs.sn1ne.large 2 4.0 None 1.0 300 Yes 2 2 6
ecs.sn1ne.xlarge 4 8.0 None 1.5 500 Yes 2 3 10
ecs.sn1ne.2xlarge 8 16.0 None 2.0 1,000 Yes 4 4 10
ecs.sn1ne.3xlarge 12 24.0 None 2.5 1,300 Yes 4 6 10
ecs.sn1ne.4xlarge 16 32.0 None 3.0 1,600 Yes 4 8 20
ecs.sn1ne.6xlarge 24 48.0 None 4.5 2,000 Yes 6 8 20
ecs.sn1ne.8xlarge 32 64.0 None 6.0 2,500 Yes 8 8 20
Note

References