This topic describes the features of instance families with high clock speeds and lists the instance types of each instance family.

hfc7, compute-optimized instance family with high clock speeds

Features
  • This instance family offloads a large number of virtualization features to dedicated hardware with the use of third-generation SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.
  • Compute:
    • Offers a CPU-to-memory ratio of 1:2.
    • Uses Intel® Xeon® Cooper Lake processors that deliver an all-core turbo frequency of 3.8 GHz and have a minimum clock speed of 3.3 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 and view CPU options.
  • Storage:
    • Is an instance family in which all instances are I/O optimized.
    • Supports only enhanced SSDs (ESSDs) and provides ultra-high I/O performance.
    • Provides high storage I/O performance based on large compute capacity.
      Note For more information about the storage I/O performance of the next-generation enterprise-level instance families, see Storage I/O performance.
  • Network:
    • Supports IPv6.
    • Provides ultra-high packet forwarding rates.
    • Provides high network performance based on large compute capacity.
  • Applicable scenarios:
    • Scenarios where large volumes of packets are received and transmitted, such as on-screen video comments and telecom data forwarding
    • High-performance frontend server clusters
    • Frontend servers of massive multiplayer online (MMO) games
    • Data analysis, batch processing, and video encoding
    • High-performance scientific and engineering applications
Instance types
Instance type vCPUs Memory (GiB) Baseline/burst bandwidth (Gbit/s) Packet forwarding rate (pps) Connections NIC queues ENIs Private IP addresses per ENI Disk IOPS Disk bandwidth (Gbit/s)
ecs.hfc7.large 2 4 1.2/10 900,000 250,000 2 2 6 20,000 1
ecs.hfc7.xlarge 4 8 2/10 1,000,000 250,000 4 3 15 30,000 1.5
ecs.hfc7.2xlarge 8 16 3/10 1,600,000 250,000 8 4 15 45,000 2
ecs.hfc7.3xlarge 12 24 4.5/10 2,000,000 250,000 8 6 15 60,000 2.5
ecs.hfc7.4xlarge 16 32 6/10 2,500,000 300,000 8 8 30 75,000 3
ecs.hfc7.6xlarge 24 48 8/10 3,000,000 450,000 12 8 30 90,000 4
ecs.hfc7.8xlarge 32 64 10/none 4,000,000 600,000 16 8 30 105,000 5
ecs.hfc7.12xlarge 48 96 16/none 6,000,000 1,000,000 24 8 30 150,000 8
ecs.hfc7.24xlarge 96 192 32/none 12,000,000 1,800,000 32 15 30 300,000 16
Note

hfc6, compute-optimized instance family with high clock speeds

Features
  • This instance family offloads a large number of virtualization features to dedicated hardware with the use of SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.
  • Compute:
    • Offers a CPU-to-memory ratio of 1:2.
    • Uses 3.1 GHz Intel® Xeon® Platinum 8269CY (Cascade Lake) processors that deliver a turbo frequency of 3.5 GHz for consistent computing performance.
      Note The processors used by this instance family have a clock speed of 3.1 GHz. However, the Intel System Studio (ISS) feature may cause a lower clock speed to be displayed. Alibaba Cloud is working on this issue. This issue does not affect the actual clock speeds of your instances.
      You can separately run the following commands to use the turbostat tool to view the actual clock speeds:
      yum install kernel-tools
      turbostat
    • Allows you to enable or disable Hyper-Threading.
      Note By default, Hyper-Threading is enabled on ECS instances. For more information, see Customize and view CPU options.
  • Storage:
    • Is an instance family in which all instances are I/O optimized.
    • Supports ESSDs, standard SSDs, and ultra disks.
    • Provides high storage I/O performance based on large compute capacity.
      Note For more information about the storage I/O performance of the next-generation enterprise-level instance families, see Storage I/O performance.
  • Network:
    • Supports IPv6.
    • Provides ultra-high packet forwarding rates.
    • Provides high network performance based on large compute capacity.
  • Applicable scenarios:
    • Scenarios where large volumes of packets are received and transmitted, such as on-screen video comments and telecom data forwarding
    • 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 vCPUs Memory (GiB) Baseline/burst bandwidth (Gbit/s) Packet forwarding rate (pps) Connections NIC queues ENIs Private IP addresses per ENI Disk IOPS Disk bandwidth (Gbit/s)
ecs.hfc6.large 2 4 1/3 300,000 35,000 2 2 6 10,000 1
ecs.hfc6.xlarge 4 8 1.5/5 500,000 70,000 4 3 10 20,000 1.5
ecs.hfc6.2xlarge 8 16 2.5/8 800,000 150,000 8 4 10 25,000 2
ecs.hfc6.3xlarge 12 24 4/10 900,000 220,000 8 6 10 30,000 2.5
ecs.hfc6.4xlarge 16 32 5/10 1,000,000 300,000 8 8 20 40,000 3
ecs.hfc6.6xlarge 24 48 7.5/10 1,500,000 450,000 12 8 20 50,000 4
ecs.hfc6.8xlarge 32 64 10/none 2,000,000 600,000 16 8 20 60,000 5
ecs.hfc6.10xlarge 40 96 12.5/none 3,000,000 1,000,000 32 7 20 100,000 8
ecs.hfc6.16xlarge 64 128 20/none 4,000,000 1,200,000 32 8 20 120,000 10
ecs.hfc6.20xlarge 80 192 25/none 6,000,000 1,800,000 32 15 20 200,000 16
Note

hfg7, general-purpose instance family with high clock speeds

Features
  • This instance family offloads a large number of virtualization features to dedicated hardware with the use of third-generation SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.
  • Compute:
    • Offers a CPU-to-memory ratio of 1:4.
    • Uses Intel® Xeon® Cooper Lake processors that deliver an all-core turbo frequency of 3.8 GHz and have a minimum clock speed of 3.3 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 and view CPU options.
  • Storage:
    • Is an instance family in which all instances are I/O optimized.
    • Supports only ESSDs and provides ultra-high I/O performance.
    • Provides high storage I/O performance based on large compute capacity.
      Note For more information about the storage I/O performance of the next-generation enterprise-level instance families, see Storage I/O performance.
  • Network:
    • Supports IPv6.
    • Provides ultra-high packet forwarding rates.
    • Provides high network performance based on large compute capacity.
  • Applicable scenarios:
    • Scenarios where large volumes of packets are received and transmitted, such as on-screen video comments and telecom data forwarding
    • Enterprise-grade applications of various types and sizes
    • Game servers
    • Small and medium-sized database systems, caches, and search clusters
    • High-performance scientific computing
    • Video encoding applications
Instance types
Instance type vCPUs Memory (GiB) Baseline/burst bandwidth (Gbit/s) Packet forwarding rate (pps) Connections NIC queues ENIs Private IP addresses per ENI Disk IOPS Disk bandwidth (Gbit/s)
ecs.hfg7.large 2 8 1.2/10 900,000 250,000 2 2 6 20,000 1
ecs.hfg7.xlarge 4 16 2/10 1,000,000 250,000 4 3 15 30,000 1.5
ecs.hfg7.2xlarge 8 32 3/10 1,600,000 250,000 8 4 15 45,000 2
ecs.hfg7.3xlarge 12 48 4.5/10 2,000,000 250,000 8 6 15 60,000 2.5
ecs.hfg7.4xlarge 16 64 6/10 2,500,000 300,000 8 8 30 75,000 3
ecs.hfg7.6xlarge 24 96 8/10 3,000,000 450,000 12 8 30 90,000 4
ecs.hfg7.8xlarge 32 128 10/none 4,000,000 600,000 16 8 30 105,000 5
ecs.hfg7.12xlarge 48 192 16/none 6,000,000 1,000,000 24 8 30 150,000 8
ecs.hfg7.24xlarge 96 384 32/none 12,000,000 1,800,000 32 15 30 300,000 16
Note

hfg6, general-purpose instance family with high clock speeds

Features
  • This instance family offloads a large number of virtualization features to dedicated hardware with the use of SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.
  • Compute:
    • Offers a CPU-to-memory ratio of 1:4.
    • Uses 3.1 GHz Intel® Xeon® Platinum 8269CY (Cascade Lake) processors that deliver a turbo frequency of 3.5 GHz for consistent computing performance.
      Note The processors used by this instance family have a clock speed of 3.1 GHz. However, the Intel System Studio (ISS) feature may cause a lower clock speed to be displayed. Alibaba Cloud is working on this issue. This issue does not affect the actual clock speeds of your instances.
      You can separately run the following commands to use the turbostat tool to view the actual clock speeds:
      yum install kernel-tools
      turbostat
    • Allows you to enable or disable Hyper-Threading.
      Note By default, Hyper-Threading is enabled on ECS instances. For more information, see Customize and view CPU options.
  • Storage:
    • Is an instance family in which all instances are I/O optimized.
    • Supports ESSDs, standard SSDs, and ultra disks.
    • Provides high storage I/O performance based on large compute capacity.
      Note For more information about the storage I/O performance of the next-generation enterprise-level instance families, see Storage I/O performance.
  • Network:
    • Supports IPv6.
    • Provides ultra-high packet forwarding rates.
    • Provides high network performance based on large compute capacity.
  • Applicable scenarios:
    • Scenarios where large volumes of packets are received and transmitted, such as on-screen video comments and telecom data forwarding
    • Enterprise-grade applications of various types and sizes
    • Websites and application servers
    • Game servers
    • Small and medium-sized database systems, caches, and search clusters
    • Data analysis and computing
    • Computing clusters and memory-intensive data processing
Instance types
Instance type vCPUs Memory (GiB) Baseline/burst bandwidth (Gbit/s) Packet forwarding rate (pps) Connections NIC queues ENIs Private IP addresses per ENI Disk IOPS Disk bandwidth (Gbit/s)
ecs.hfg6.large 2 8 1/3 300,000 35,000 2 2 6 10,000 1
ecs.hfg6.xlarge 4 16 1.5/5 500,000 70,000 4 3 10 20,000 1.5
ecs.hfg6.2xlarge 8 32 2.5/8 800,000 150,000 8 4 10 25,000 2
ecs.hfg6.3xlarge 12 48 4/10 900,000 220,000 8 6 10 30,000 2.5
ecs.hfg6.4xlarge 16 64 5/10 1,000,000 300,000 8 8 20 40,000 3
ecs.hfg6.6xlarge 24 96 7.5/10 1,500,000 450,000 12 8 20 50,000 4
ecs.hfg6.8xlarge 32 128 10/none 2,000,000 600,000 16 8 20 60,000 5
ecs.hfg6.10xlarge 40 192 12.5/none 3,000,000 1,000,000 32 7 20 100,000 8
ecs.hfg6.16xlarge 64 256 20/none 4,000,000 1,200,000 32 8 20 120,000 10
ecs.hfg6.20xlarge 80 384 25/none 6,000,000 1,800,000 32 15 20 200,000 16
Note

hfr7, memory-optimized instance family with high clock speeds

Features
  • This instance family offloads a large number of virtualization features to dedicated hardware with the use of third-generation SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.
  • Compute:
    • Offers a CPU-to-memory ratio of 1:8.
    • Uses Intel® Xeon® Cooper Lake processors that deliver an all-core turbo frequency of 3.8 GHz and have a minimum clock speed of 3.3 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 and view CPU options.
  • Storage:
    • Is an instance family in which all instances are I/O optimized.
    • Supports only ESSDs and provides ultra-high I/O performance.
    • Provides high storage I/O performance based on large compute capacity.
      Note For more information about the storage I/O performance of the next-generation enterprise-level instance families, see Storage I/O performance.
  • Network:
    • Supports IPv6.
    • Provides ultra-high packet forwarding rates.
    • Provides high network performance based on large compute capacity.
  • Applicable scenarios:
    • Scenarios where large volumes of packets are received and transmitted, such as on-screen video comments and telecom data forwarding
    • High-performance databases and in-memory databases
    • Data analysis, data mining, and distributed memory caching
    • Hadoop clusters, Spark clusters, and other enterprise-level memory-intensive applications
Instance types
Instance type vCPUs Memory (GiB) Baseline/burst bandwidth (Gbit/s) Packet forwarding rate (pps) Connections NIC queues ENIs Private IP addresses per ENI Disk IOPS Disk bandwidth (Gbit/s)
ecs.hfr7.large 2 16 1.2/10 900,000 250,000 2 2 6 20,000 1
ecs.hfr7.xlarge 4 32 2/10 1,000,000 250,000 4 3 15 30,000 1.5
ecs.hfr7.2xlarge 8 64 3/10 1,600,000 250,000 8 4 15 45,000 2
ecs.hfr7.3xlarge 12 96 4.5/10 2,000,000 250,000 8 6 15 60,000 2.5
ecs.hfr7.4xlarge 16 128 6/10 2,500,000 300,000 8 8 30 75,000 3
ecs.hfr7.6xlarge 24 192 8/10 3,000,000 450,000 12 8 30 90,000 4
ecs.hfr7.8xlarge 32 256 10/none 4,000,000 600,000 16 8 30 105,000 5
ecs.hfr7.12xlarge 48 384 16/none 6,000,000 1,000,000 24 8 30 150,000 8
ecs.hfr7.24xlarge 96 768 32/none 12,000,000 1,800,000 32 15 30 300,000 16
Note

hfr6, memory-optimized instance family with high clock speeds

Features
  • This instance family offloads a large number of virtualization features to dedicated hardware with the use of SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.
  • Compute:
    • Offers a CPU-to-memory ratio of 1:8.
    • Uses 3.1 GHz Intel® Xeon® Platinum 8269CY (Cascade Lake) processors that deliver a turbo frequency of 3.5 GHz for consistent computing performance.
      Note The processors used by this instance family have a clock speed of 3.1 GHz. However, the Intel System Studio (ISS) feature may cause a lower clock speed to be displayed. Alibaba Cloud is working on this issue. This issue does not affect the actual clock speeds of your instances.
      You can separately run the following commands to use the turbostat tool to view the actual clock speeds:
      yum install kernel-tools
      turbostat
    • Allows you to enable or disable Hyper-Threading.
      Note By default, Hyper-Threading is enabled on ECS instances. For more information, see Customize and view CPU options.
  • Storage:
    • Is an instance family in which all instances are I/O optimized.
    • Supports ESSDs, standard SSDs, and ultra disks.
    • Provides high storage I/O performance based on large compute capacity.
      Note For more information about the storage I/O performance of the next-generation enterprise-level instance families, see Storage I/O performance.
  • Network:
    • Supports IPv6.
    • Provides ultra-high packet forwarding rates.
    • Provides high network performance based on large compute capacity.
  • Applicable scenarios:
    • Scenarios where large volumes of packets are received and transmitted, such as on-screen video comments and telecom data forwarding
    • High-performance databases and in-memory databases
    • Data analysis, data mining, and distributed memory caching
    • Hadoop clusters, Spark clusters, and other enterprise-level memory-intensive applications
Instance types
Instance type vCPUs Memory (GiB) Baseline/burst bandwidth (Gbit/s) Packet forwarding rate (pps) Connections NIC queues ENIs Private IP addresses per ENI Disk IOPS Disk bandwidth (Gbit/s)
ecs.hfr6.large 2 16 1/3 300,000 35,000 2 2 6 10,000 1
ecs.hfr6.xlarge 4 32 1.5/5 500,000 70,000 4 3 10 20,000 1.5
ecs.hfr6.2xlarge 8 64 2.5/8 800,000 150,000 8 4 10 25,000 2
ecs.hfr6.3xlarge 12 96 4/10 900,000 220,000 8 6 10 30,000 2.5
ecs.hfr6.4xlarge 16 128 5/10 1,000,000 300,000 8 8 20 40,000 3
ecs.hfr6.6xlarge 24 192 7.5/10 1,500,000 450,000 12 8 20 50,000 4
ecs.hfr6.8xlarge 32 256 10/none 2,000,000 600,000 16 8 20 60,000 5
ecs.hfr6.10xlarge 40 384 12.5/none 3,000,000 1,000,000 32 7 20 100,000 8
ecs.hfr6.16xlarge 64 512 20/none 4,000,000 1,200,000 32 8 20 120,000 10
ecs.hfr6.20xlarge 80 768 25/none 6,000,000 1,800,000 32 15 20 200,000 16
Note

hfc5, compute-optimized instance family with high clock speeds

Features
  • Compute:
    • Offers a CPU-to-memory ratio of 1:2.
    • Uses 3.1 GHz Intel® Xeon® Gold 6149 (Skylake) processors.
    • Offers consistent computing performance.
  • Storage:
    • Is an instance family in which all instances are I/O optimized.
    • Supports only standard SSDs and ultra disks.
  • Network:
    • Provides high network performance based on large compute capacity.
  • Applicable scenarios:
    • High-performance web frontend servers
    • High-performance scientific and engineering applications
    • MMO gaming and video encoding
Instance types
Instance type vCPUs Memory (GiB) Bandwidth (Gbit/s) Packet forwarding rate (pps) NIC queues ENIs Private IP addresses per ENI
ecs.hfc5.large 2 4 1 300,000 2 2 6
ecs.hfc5.xlarge 4 8 1.5 500,000 2 3 10
ecs.hfc5.2xlarge 8 16 2 1,000,000 2 4 10
ecs.hfc5.3xlarge 12 24 2.5 1,300,000 4 6 10
ecs.hfc5.4xlarge 16 32 3 1,600,000 4 8 20
ecs.hfc5.6xlarge 24 48 4.5 2,000,000 6 8 20
ecs.hfc5.8xlarge 32 64 6 2,500,000 8 8 20
Note

hfg5, general-purpose instance family with high clock speeds

Features
  • Compute:
    • Offers a CPU-to-memory ratio of 1:4 (excluding the instance type with 56 vCPUs).
    • Uses 3.1 GHz Intel® Xeon® Gold 6149 (Skylake) processors.
    • Offers consistent computing performance.
  • Storage:
    • Is an instance family in which all instances are I/O optimized.
    • Supports only standard SSDs and ultra disks.
  • Network:
    • Provides high network performance based on large compute capacity.
  • Applicable scenarios:
    • High-performance web frontend servers
    • High-performance scientific and engineering applications
    • MMO gaming and video encoding
Instance types
Instance type vCPUs Memory (GiB) Bandwidth (Gbit/s) Packet forwarding rate (pps) NIC queues ENIs Private IP addresses per ENI
ecs.hfg5.large 2 8 1 300,000 2 2 6
ecs.hfg5.xlarge 4 16 1.5 500,000 2 3 10
ecs.hfg5.2xlarge 8 32 2 1,000,000 2 4 10
ecs.hfg5.3xlarge 12 48 2.5 1,300,000 4 6 10
ecs.hfg5.4xlarge 16 64 3 1,600,000 4 8 20
ecs.hfg5.6xlarge 24 96 4.5 2,000,000 6 8 20
ecs.hfg5.8xlarge 32 128 6 2,500,000 8 8 20
ecs.hfg5.14xlarge 56 160 10 4,000,000 14 8 20
Note