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
  • Offloads a large number of virtualization features to dedicated hardware with the use of the third-generation SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.
  • Compute:
    • Offers a CPU-to-memory ratio of 1:2.
    • 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 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 computing 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 computing capacity.
  • Suits the following 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 bandwidth (bidirectional), Gbit/s Burstable bandwidth (bidirectional), Gbit/s Packet forwarding rate (bidirectional), Kpps Connections (K) NIC queues ENIs (including one primary ENI) Private IP addresses per ENI Disk IOPS (K) Disk bandwidth (Gbit/s)
ecs.hfc7.large 2 4.0 1.2 10.0 900 250 2 2 6 20 1.0
ecs.hfc7.xlarge 4 8.0 2.0 10.0 1,000 250 4 3 15 30 1.5
ecs.hfc7.2xlarge 8 16.0 3.0 10.0 1,600 250 8 4 15 45 2.0
ecs.hfc7.3xlarge 12 24.0 4.5 10.0 2,000 250 8 6 15 60 2.5
ecs.hfc7.4xlarge 16 32.0 6.0 10.0 2,500 300 8 8 300 75 3.0
ecs.hfc7.6xlarge 24 48.0 8.0 10.0 3,000 450 12 8 300 90 4.0
ecs.hfc7.8xlarge 32 64.0 10.0 None 4,000 600 16 8 300 105 5.0
ecs.hfc7.12xlarge 48 96.0 16.0 None 6,000 1,000 24 8 300 150 8.0
ecs.hfc7.24xlarge 96 192.0 32.0 None 12,000 1,800 32 15 300 300 16.0
Note

hfc6, compute optimized instance family with high clock speeds

Features
  • Offloads a large number of virtualization features to dedicated hardware with the use of the 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 8269 (Cascade Lake) processors that deliver a turbo frequency of 3.5 GHz for consistent computing performance.
      Note The CPUs used by this instance family have a clock speed of 3.1 GHz. 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 and 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 CPU options.
  • Storage:
    • Is an instance family in which all instances are I/O optimized.
    • Supports enhanced SSDs, 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 next-generation enterprise-level instance families, see Storage I/O performance.
  • Network:
    • Supports IPv6.
    • Provides ultra-high packet forwarding rates.
    • Provides high network performance based on large computing capacity.
  • Suits the following 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 bandwidth (bidirectional), Gbit/s Burstable bandwidth (bidirectional), Gbit/s Packet forwarding rate (bidirectional), Kpps NIC queues ENIs (including one primary ENI) Private IP addresses per ENI Disk IOPS (K) Disk bandwidth (Gbit/s)
ecs.hfc6.large 2 4.0 1.0 3.0 300 2 2 6 10 1.0
ecs.hfc6.xlarge 4 8.0 1.5 5.0 500 4 3 10 20 1.5
ecs.hfc6.2xlarge 8 16.0 2.5 8.0 800 8 4 10 25 2.0
ecs.hfc6.3xlarge 12 24.0 4.0 10.0 900 8 6 10 30 2.5
ecs.hfc6.4xlarge 16 32.0 5.0 10.0 1,000 8 8 20 40 3.0
ecs.hfc6.6xlarge 24 48.0 75 10.0 1,500 12 8 20 50 4.0
ecs.hfc6.8xlarge 32 64.0 10.0 None 2,000 16 8 20 60 5.0
ecs.hfc6.10xlarge 40 96.0 12.5 None 3,000 32 7 20 100 8.0
ecs.hfc6.16xlarge 64 128.0 20.0 None 4,000 32 8 20 120 10.0
ecs.hfc6.20xlarge 80 192.0 25.0 None 6,000 32 15 20 200 16.0
Note

hfg7, general purpose instance family with high clock speeds

Features
  • Offloads a large number of virtualization features to dedicated hardware with the use of the third-generation SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.
  • Compute:
    • Offers a CPU-to-memory ratio of 1:4.
    • 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 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 computing 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 computing capacity.
  • Suits the following 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 bandwidth (bidirectional), Gbit/s Burstable bandwidth (bidirectional), Gbit/s Packet forwarding rate (bidirectional), Kpps Connections (K) NIC queues ENIs (including one primary ENI) Private IP addresses per ENI Disk IOPS (K) Disk bandwidth (Gbit/s)
ecs.hfg7.large 2 8.0 1.2 10.0 900 250 2 2 6 20 1.0
ecs.hfg7.xlarge 4 16.0 2.0 10.0 1,000 250 4 3 15 30 1.5
ecs.hfg7.2xlarge 8 32.0 3.0 10.0 1,600 250 8 4 15 45 2.0
ecs.hfg7.3xlarge 12 48.0 4.5 10.0 2,000 250 8 6 15 60 2.5
ecs.hfg7.4xlarge 16 64.0 6.0 10.0 2,500 300 8 8 300 75 3.0
ecs.hfg7.6xlarge 24 96.0 8.0 10.0 3,000 450 12 8 300 90 4.0
ecs.hfg7.8xlarge 32 128.0 10.0 None 4,000 600 16 8 300 105 5.0
ecs.hfg7.12xlarge 48 192.0 16.0 None 6,000 1,000 24 8 300 150 8.0
ecs.hfg7.24xlarge 96 384.0 32.0 None 12,000 1,800 32 15 300 300 16.0
Note

hfg6, general purpose instance family with high clock speeds

Features
  • Offloads a large number of virtualization features to dedicated hardware with the use of the 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 8269 (Cascade Lake) processors that deliver a turbo frequency of 3.5 GHz for consistent computing performance.
      Note The CPUs used by this instance family have a clock speed of 3.1 GHz. 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 and 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 CPU options.
  • Storage:
    • Is an instance family in which all instances are I/O optimized.
    • Supports enhanced SSDs, 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 next-generation enterprise-level instance families, see Storage I/O performance.
  • Network:
    • Supports IPv6.
    • Provides ultra-high packet forwarding rates.
    • Provides high network performance based on large computing capacity.
  • Suits the following 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
    • Compute clusters and memory-intensive data processing
Instance types
Instance type vCPUs Memory (GiB) Baseline bandwidth (bidirectional), Gbit/s Burstable bandwidth (bidirectional), Gbit/s Packet forwarding rate (bidirectional), Kpps NIC queues ENIs (including one primary ENI) Private IP addresses per ENI Disk IOPS (K) Disk bandwidth (Gbit/s)
ecs.hfg6.large 2 8.0 1.0 3.0 300 2 2 6 10 1.0
ecs.hfg6.xlarge 4 16.0 1.5 5.0 500 4 3 10 20 1.5
ecs.hfg6.2xlarge 8 32.0 2.5 8.0 800 8 4 10 25 2.0
ecs.hfg6.3xlarge 12 48.0 4.0 10.0 900 8 6 10 30 2.5
ecs.hfg6.4xlarge 16 64.0 5.0 10.0 1,000 8 8 20 40 3.0
ecs.hfg6.6xlarge 24 96.0 7.5 10.0 1,500 12 8 20 50 4.0
ecs.hfg6.8xlarge 32 128.0 10.0 None 2,000 16 8 20 60 5.0
ecs.hfg6.10xlarge 40 192.0 12.5 None 3,000 32 7 20 100 8.0
ecs.hfg6.16xlarge 64 256.0 20.0 None 4,000 32 8 20 120 10.0
ecs.hfg6.20xlarge 80 384.0 25.0 None 6,000 32 15 20 200 16.0
Note

hfr7, memory optimized instance family with high clock speeds

Features
  • Offloads a large number of virtualization features to dedicated hardware with the use of the third-generation SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.
  • Compute:
    • Offers a CPU-to-memory ratio of 1:8.
    • 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 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 computing 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 computing capacity.
  • Suits the following scenarios:
    • Scenarios where large volumes of packets are received and transmitted, such as on-screen video comments and telecom data forwarding
    • High-performance and in-memory databases
    • Data analysis, data mining, and distributed memory caching
    • Hadoop clusters, Spark clusters, and other memory-intensive enterprise applications
Instance types
Instance type vCPUs Memory (GiB) Baseline bandwidth (bidirectional), Gbit/s Burstable bandwidth (bidirectional), Gbit/s Packet forwarding rate (bidirectional), Kpps Connections (K) NIC queues ENIs (including one primary ENI) Private IP addresses per ENI Disk IOPS (K) Disk bandwidth (Gbit/s)
ecs.hfr7.large 2 16.0 1.2 10.0 900 250 2 2 6 20 1.0
ecs.hfr7.xlarge 4 32.0 2.0 10.0 1,000 250 4 3 15 30 1.5
ecs.hfr7.2xlarge 8 64.0 3.0 10.0 1,600 250 8 4 15 45 2.0
ecs.hfr7.3xlarge 12 96.0 4.5 10.0 2,000 250 8 6 15 60 2.5
ecs.hfr7.4xlarge 16 128.0 6.0 10.0 2,500 300 8 8 300 75 3.0
ecs.hfr7.6xlarge 24 192.0 8.0 10.0 3,000 450 12 8 300 90 4.0
ecs.hfr7.8xlarge 32 256.0 10.0 None 4,000 600 16 8 300 105 5.0
ecs.hfr7.12xlarge 48 384.0 16.0 None 6,000 1,000 24 8 300 150 8.0
ecs.hfr7.24xlarge 96 768.0 32.0 None 12,000 1,800 32 15 300 300 16.0
Note

hfr6, memory optimized instance family with high clock speeds

Features
  • Offloads a large number of virtualization features to dedicated hardware with the use of the 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 8269 (Cascade Lake) processors that deliver a turbo frequency of 3.5 GHz for consistent computing performance.
      Note The CPUs used by this instance family have a clock speed of 3.1 GHz. 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 and 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 CPU options.
  • Storage:
    • Is an instance family in which all instances are I/O optimized.
    • Supports enhanced SSDs, 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 next-generation enterprise-level instance families, see Storage I/O performance.
  • Network:
    • Supports IPv6.
    • Provides ultra-high packet forwarding rates.
    • Provides high network performance based on large computing capacity.
  • Suits the following scenarios:
    • Scenarios where large volumes of packets are received and transmitted, such as on-screen video comments and telecom data forwarding
    • High-performance and in-memory databases
    • Data analysis, data mining, and distributed memory caching
    • Hadoop clusters, Spark clusters, and other memory-intensive enterprise applications
Instance types
Instance type vCPUs Memory (GiB) Baseline bandwidth (bidirectional), Gbit/s Burstable bandwidth (bidirectional), Gbit/s Packet forwarding rate (bidirectional), Kpps NIC queues ENIs (including one primary ENI) Private IP addresses per ENI Disk IOPS (K) Disk bandwidth (Gbit/s)
ecs.hfr6.large 2 16.0 1.0 3.0 300 2 2 6 10 1.0
ecs.hfr6.xlarge 4 32.0 1.5 5.0 500 4 3 10 20 1.5
ecs.hfr6.2xlarge 8 64.0 2.5 8.0 800 8 4 10 25 2.0
ecs.hfr6.3xlarge 12 96.0 4.0 10.0 900 8 6 10 30 2.5
ecs.hfr6.4xlarge 16 128.0 5.0 10.0 1,000 8 8 20 40 3.0
ecs.hfr6.6xlarge 24 192.0 7.5 10.0 1,500 12 8 20 50 4.0
ecs.hfr6.8xlarge 32 256.0 10.0 None 2,000 16 8 20 60 5.0
ecs.hfr6.10xlarge 40 384.0 12.5 None 3,000 32 7 20 100 8.0
ecs.hfr6.16xlarge 64 512.0 20.0 None 4,000 32 8 20 120 10.0
ecs.hfr6.20xlarge 80 768.0 25.0 None 6,000 32 15 20 200 16.0
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.
    • Provides 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 computing capacity.
  • Suits the following 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 (bidirectional), Gbit/s Packet forwarding rate (bidirectional), Kpps NIC queues ENIs (including one primary ENI) Private IP addresses per ENI
ecs.hfc5.large 2 4.0 1.0 300 2 2 6
ecs.hfc5.xlarge 4 8.0 1.5 500 2 3 10
ecs.hfc5.2xlarge 8 16.0 2.0 1,000 2 4 10
ecs.hfc5.3xlarge 12 24.0 2.5 1,300 4 6 10
ecs.hfc5.4xlarge 16 32.0 3.0 1,600 4 8 20
ecs.hfc5.6xlarge 24 48.0 4.5 2,000 6 8 20
ecs.hfc5.8xlarge 32 64.0 6.0 2,500 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 that has 56 vCPUs).
    • Uses 3.1 GHz Intel® Xeon® Gold 6149 (Skylake) processors.
    • Provides 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 computing capacity.
  • Suits the following 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 (bidirectional), Gbit/s Packet forwarding rate (bidirectional), Kpps NIC queues ENIs (including one primary ENI) Private IP addresses per ENI
ecs.hfg5.large 2 8.0 1.0 300 2 2 6
ecs.hfg5.xlarge 4 16.0 1.5 500 2 3 10
ecs.hfg5.2xlarge 8 32.0 2.0 1,000 2 4 10
ecs.hfg5.3xlarge 12 48.0 2.5 1,300 4 6 10
ecs.hfg5.4xlarge 16 64.0 3.0 1,600 4 8 20
ecs.hfg5.6xlarge 24 96.0 4.5 2,000 6 8 20
ecs.hfg5.8xlarge 32 128.0 6.0 2,500 8 8 20
ecs.hfg5.14xlarge 56 160.0 10.0 4,000 14 8 20
Note