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Instance families with high clock speeds (hf series)

Updated at: 2025-03-20 08:49
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Instance families with high clock speeds (hf series) provide CPU-to-memory ratios of 1:2, 1:4, and 1:8 and are suitable for scenarios such as massively multiplayer online (MMO) games, high-performance scientific computing scenarios such as high-performance computing, and large and medium-sized database systems.

Background information

Before you read further in this topic, you must be familiar with the following information:

After you determine an instance type for your use case, you may need to learn about the following information:

  • Regions in which the instance type is available for purchase. Instance types that are available for purchase vary based on the region. You can go to the Instance Types Available for Each Region page to view the instance types available for purchase in each region. Alternatively, you can call the DescribeRegions and DescribeZones operations to query the supported regions and the zones in a specific region.

  • Estimated instance costs. You can calculate the price of instances that uses different billing methods in the Price Calculator. You can also call the DescribePrice operation to query information about the most recent prices of ECS resources.

  • Instructions for purchasing an instance. You can go to the ECS instance buy page to place a purchase order for instances.

You may be concerned about the following information:

  • Retired instance families. If you cannot find an instance type in this topic, the instance type may be in a retired instance family. For information about retired instance families, see Retired instance types.

  • Supported instance type changes. Before you change the instance type of an instance, check whether the instance type can be changed and identify compatible instance types. For more information, see Instance types and families that support instance type changes.

Intel® Xeon® Cooper Lake processor-powered instance families

Intel® Xeon® Platinum 8269CY (Cascade Lake) processor-powered instance families

Not recommended instance family (If the following instance families are sold out, we recommend that you use the instance families in the preceding columns.)

Intel® Xeon® Cooper Lake processor-powered instance families

Intel® Xeon® Platinum 8269CY (Cascade Lake) processor-powered instance families

Not recommended instance family (If the following instance families are sold out, we recommend that you use the instance families in the preceding columns.)

hfc7, compute-optimized instance family with high clock speeds

  • Introduction: This instance family offloads a large number of virtualization features to dedicated hardware by using the third-generation SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.

  • Supported scenarios:

    • Scenarios where large volumes of packets are received and transmitted, such as live commenting on videos and telecom data forwarding

    • High-performance frontend server clusters

    • Frontend servers of MMO games

    • Data analytics, batch processing, and video encoding

    • High-performance scientific and engineering applications

  • 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 a clock speed of at least 3.3 GHz to provide consistent computing performance.

    • Supports Hyper-Threading. By default, Hyper-Threading is enabled. For more information, see Specify and view CPU options.

  • Storage:

    • Is an instance family in which all instances are I/O optimized.

    • Supports Enterprise SSDs (ESSDs) and ESSD AutoPL disks. For information about disks, see Overview of Block Storage.

    • Provides high storage I/O performance based on large computing capacity. For more information, see Storage I/O performance.

  • Network:

    • Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.

    • Provides ultra-high packet forwarding rates.

    • Provides high network performance based on large computing capacity.

hfc7 instance types

Instance type

vCPUs

Memory (GiB)

Network baseline/burst bandwidth (Gbit/s)

Packet forwarding rate (pps)

Connections

NIC queues

ENIs

Private IPv4 addresses per ENI

IPv6 addresses per ENI

Disk baseline IOPS

Disk baseline bandwidth (Gbit/s)

Instance type

vCPUs

Memory (GiB)

Network baseline/burst bandwidth (Gbit/s)

Packet forwarding rate (pps)

Connections

NIC queues

ENIs

Private IPv4 addresses per ENI

IPv6 addresses per ENI

Disk baseline IOPS

Disk baseline bandwidth (Gbit/s)

ecs.hfc7.large

2

4

1.2/10

900,000

250,000

2

2

6

6

20,000

1

ecs.hfc7.xlarge

4

8

2/10

1,000,000

250,000

4

3

15

15

30,000

1.5

ecs.hfc7.2xlarge

8

16

3/10

1,600,000

250,000

8

4

15

15

45,000

2

ecs.hfc7.3xlarge

12

24

4.5/10

2,000,000

250,000

8

6

15

15

60,000

2.5

ecs.hfc7.4xlarge

16

32

6/10

2,500,000

300,000

8

8

30

30

75,000

3

ecs.hfc7.6xlarge

24

48

8/10

3,000,000

450,000

12

8

30

30

90,000

4

ecs.hfc7.8xlarge

32

64

10/none

4,000,000

600,000

16

8

30

30

105,000

5

ecs.hfc7.12xlarge

48

96

16/none

6,000,000

1,000,000

24

8

30

30

150,000

8

ecs.hfc7.24xlarge

96

192

32/none

12,000,000

1,800,000

32

15

30

30

300,000

16

hfg7, general-purpose instance family with high clock speeds

  • Introduction: This instance family offloads a large number of virtualization features to dedicated hardware by using the third-generation SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.

  • Supported scenarios:

    • Scenarios where large volumes of packets are received and transmitted, such as live commenting on videos and telecom data forwarding

    • Enterprise-level 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

  • 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 a clock speed of at least 3.3 GHz to provide consistent computing performance.

    • Supports Hyper-Threading. By default, Hyper-Threading is enabled. For more information, see Specify and view CPU options.

  • Storage:

    • Is an instance family in which all instances are I/O optimized.

    • Supports ESSDs and ESSD AutoPL disks. For information about disks, see Overview of Block Storage.

    • Provides high storage I/O performance based on large computing capacity. For more information, see Storage I/O performance.

  • Network:

    • Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.

    • Provides ultra-high packet forwarding rates.

    • Provides high network performance based on large computing capacity.

hfg7 instance types

Instance type

vCPUs

Memory (GiB)

Network baseline/burst bandwidth (Gbit/s)

Packet forwarding rate (pps)

Connections

NIC queues

ENIs

Private IPv4 addresses per ENI

IPv6 addresses per ENI

Disk baseline IOPS

Disk baseline bandwidth (Gbit/s)

Instance type

vCPUs

Memory (GiB)

Network baseline/burst bandwidth (Gbit/s)

Packet forwarding rate (pps)

Connections

NIC queues

ENIs

Private IPv4 addresses per ENI

IPv6 addresses per ENI

Disk baseline IOPS

Disk baseline bandwidth (Gbit/s)

ecs.hfg7.large

2

8

1.2/10

900,000

250,000

2

2

6

6

20,000

1

ecs.hfg7.xlarge

4

16

2/10

1,000,000

250,000

4

3

15

15

30,000

1.5

ecs.hfg7.2xlarge

8

32

3/10

1,600,000

250,000

8

4

15

15

45,000

2

ecs.hfg7.3xlarge

12

48

4.5/10

2,000,000

250,000

8

6

15

15

60,000

2.5

ecs.hfg7.4xlarge

16

64

6/10

2,500,000

300,000

8

8

30

30

75,000

3

ecs.hfg7.6xlarge

24

96

8/10

3,000,000

450,000

12

8

30

30

90,000

4

ecs.hfg7.8xlarge

32

128

10/none

4,000,000

600,000

16

8

30

30

105,000

5

ecs.hfg7.12xlarge

48

192

16/none

6,000,000

1,000,000

24

8

30

30

150,000

8

ecs.hfg7.24xlarge

96

384

32/none

12,000,000

1,800,000

32

15

30

30

300,000

16

hfr7, memory-optimized instance family with high clock speeds

  • Introduction: This instance family offloads a large number of virtualization features to dedicated hardware by using the third-generation SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.

  • Supported scenarios:

    • Scenarios where large volumes of packets are received and transmitted, such as live commenting and telecom data forwarding

    • High-performance databases and in-memory databases

    • Data analytics, data mining, and distributed memory caching

    • Enterprise-level memory-intensive applications such as Hadoop clusters and Spark clusters

  • 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 a clock speed of at least 3.3 GHz to provide consistent computing performance.

    • Supports Hyper-Threading. By default, Hyper-Threading is enabled. For more information, see Specify and view CPU options.

  • Storage:

    • Is an instance family in which all instances are I/O optimized.

    • Supports ESSDs and ESSD AutoPL disks. For information about disks, see Overview of Block Storage.

    • Provides high storage I/O performance based on large computing capacity. For more information, see Storage I/O performance.

  • Network:

    • Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.

    • Provides ultra-high packet forwarding rates.

    • Provides high network performance based on large computing capacity.

hfr7 instance types

Instance type

vCPUs

Memory (GiB)

Network baseline/burst bandwidth (Gbit/s)

Packet forwarding rate (pps)

Connections

NIC queues

ENIs

Private IPv4 addresses per ENI

IPv6 addresses per ENI

Disk baseline IOPS

Disk baseline bandwidth (Gbit/s)

Instance type

vCPUs

Memory (GiB)

Network baseline/burst bandwidth (Gbit/s)

Packet forwarding rate (pps)

Connections

NIC queues

ENIs

Private IPv4 addresses per ENI

IPv6 addresses per ENI

Disk baseline IOPS

Disk baseline bandwidth (Gbit/s)

ecs.hfr7.large

2

16

1.2/10

900,000

250,000

2

2

6

6

20,000

1

ecs.hfr7.xlarge

4

32

2/10

1,000,000

250,000

4

3

15

15

30,000

1.5

ecs.hfr7.2xlarge

8

64

3/10

1,600,000

250,000

8

4

15

15

45,000

2

ecs.hfr7.3xlarge

12

96

4.5/10

2,000,000

250,000

8

6

15

15

60,000

2.5

ecs.hfr7.4xlarge

16

128

6/10

2,500,000

300,000

8

8

30

30

75,000

3

ecs.hfr7.6xlarge

24

192

8/10

3,000,000

450,000

12

8

30

30

90,000

4

ecs.hfr7.8xlarge

32

256

10/none

4,000,000

600,000

16

8

30

30

105,000

5

ecs.hfr7.12xlarge

48

384

16/none

6,000,000

1,000,000

24

8

30

30

150,000

8

ecs.hfr7.24xlarge

96

768

32/none

12,000,000

1,800,000

32

15

30

30

300,000

16

hfc6, compute-optimized instance family with high clock speeds

  • Introduction: This instance family offloads a large number of virtualization features to dedicated hardware by using the SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.

  • Supported scenarios:

    • Scenarios where large volumes of packets are received and transmitted, such as live commenting on videos and telecom data forwarding

    • Web frontend servers

    • Frontend servers of MMO games

    • Data analytics, batch processing, and video encoding

    • High-performance scientific and engineering applications

  • 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 to provide 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

    • Supports Hyper-Threading. By default, Hyper-Threading is enabled. For more information, see Specify and view CPU options.

  • Storage:

  • Network:

    • Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.

    • Provides ultra-high packet forwarding rates.

    • Provides high network performance based on large computing capacity.

hfc6 instance types

Instance type

vCPUs

Memory (GiB)

Network baseline/burst bandwidth (Gbit/s)

Packet forwarding rate (pps)

Connections

NIC queues

ENIs

Private IPv4 addresses per ENI

IPv6 addresses per ENI

Disk baseline IOPS

Disk baseline bandwidth (Gbit/s)

Instance type

vCPUs

Memory (GiB)

Network baseline/burst bandwidth (Gbit/s)

Packet forwarding rate (pps)

Connections

NIC queues

ENIs

Private IPv4 addresses per ENI

IPv6 addresses per ENI

Disk baseline IOPS

Disk baseline bandwidth (Gbit/s)

ecs.hfc6.large

2

4

1/3

300,000

35,000

2

2

6

1

10,000

1

ecs.hfc6.xlarge

4

8

1.5/5

500,000

70,000

4

3

10

1

20,000

1.5

ecs.hfc6.2xlarge

8

16

2.5/8

800,000

150,000

8

4

10

1

25,000

2

ecs.hfc6.3xlarge

12

24

4/10

900,000

220,000

8

6

10

1

30,000

2.5

ecs.hfc6.4xlarge

16

32

5/10

1,000,000

300,000

8

8

20

1

40,000

3

ecs.hfc6.6xlarge

24

48

7.5/10

1,500,000

450,000

12

8

20

1

50,000

4

ecs.hfc6.8xlarge

32

64

10/none

2,000,000

600,000

16

8

20

1

60,000

5

ecs.hfc6.10xlarge

40

96

12.5/none

3,000,000

1,000,000

32

7

20

1

100,000

8

ecs.hfc6.16xlarge

64

128

20/none

4,000,000

1,200,000

32

8

20

1

120,000

10

ecs.hfc6.20xlarge

80

192

25/none

6,000,000

1,800,000

32

15

20

1

200,000

16

hfg6, general-purpose instance family with high clock speeds

  • Introduction: This instance family offloads a large number of virtualization features to dedicated hardware by using the SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.

  • Supported scenarios:

    • Scenarios where large volumes of packets are received and transmitted, such as live commenting on videos and telecom data forwarding

    • Enterprise-level applications of various types and sizes

    • Websites and application servers

    • Game servers

    • Small and medium-sized database systems, caches, and search clusters

    • Data analytics and computing

    • Computing clusters and memory-intensive data processing

  • 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 to provide 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

    • Supports Hyper-Threading. By default, Hyper-Threading is enabled. For more information, see Specify and view CPU options.

  • Storage:

  • Network:

    • Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.

    • Provides ultra-high packet forwarding rates.

    • Provides high network performance based on large computing capacity.

hfg6 instance types

Instance type

vCPUs

Memory (GiB)

Network baseline/burst bandwidth (Gbit/s)

Packet forwarding rate (pps)

Connections

NIC queues

ENIs

Private IPv4 addresses per ENI

IPv6 addresses per ENI

Disk baseline IOPS

Disk baseline bandwidth (Gbit/s)

Instance type

vCPUs

Memory (GiB)

Network baseline/burst bandwidth (Gbit/s)

Packet forwarding rate (pps)

Connections

NIC queues

ENIs

Private IPv4 addresses per ENI

IPv6 addresses per ENI

Disk baseline IOPS

Disk baseline bandwidth (Gbit/s)

ecs.hfg6.large

2

8

1/3

300,000

35,000

2

2

6

1

10,000

1

ecs.hfg6.xlarge

4

16

1.5/5

500,000

70,000

4

3

10

1

20,000

1.5

ecs.hfg6.2xlarge

8

32

2.5/8

800,000

150,000

8

4

10

1

25,000

2

ecs.hfg6.3xlarge

12

48

4/10

900,000

220,000

8

6

10

1

30,000

2.5

ecs.hfg6.4xlarge

16

64

5/10

1,000,000

300,000

8

8

20

1

40,000

3

ecs.hfg6.6xlarge

24

96

7.5/10

1,500,000

450,000

12

8

20

1

50,000

4

ecs.hfg6.8xlarge

32

128

10/none

2,000,000

600,000

16

8

20

1

60,000

5

ecs.hfg6.10xlarge

40

192

12.5/none

3,000,000

1,000,000

32

7

20

1

100,000

8

ecs.hfg6.16xlarge

64

256

20/none

4,000,000

1,200,000

32

8

20

1

120,000

10

ecs.hfg6.20xlarge

80

384

25/none

6,000,000

1,800,000

32

15

20

1

200,000

16

hfr6, memory-optimized instance family with high clock speeds

  • Introduction: This instance family offloads a large number of virtualization features to dedicated hardware by using the SHENLONG architecture to provide predictable and consistent ultra-high performance and reduce virtualization overheads.

  • Supported scenarios:

    • Scenarios where large volumes of packets are received and transmitted, such as live commenting on videos and telecom data forwarding

    • High-performance databases and in-memory databases

    • Data analytics, data mining, and distributed memory caching

    • Enterprise-level memory-intensive applications such as Hadoop clusters and Spark clusters

  • 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 to provide 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

    • Supports Hyper-Threading. By default, Hyper-Threading is enabled. For more information, see Specify and view CPU options.

  • Storage:

  • Network:

    • Supports IPv4 and IPv6. For information about IPv6 communication, see IPv6 communication.

    • Provides ultra-high packet forwarding rates.

    • Provides high network performance based on large computing capacity.

hfr6 instance types

Instance type

vCPUs

Memory (GiB)

Network baseline/burst bandwidth (Gbit/s)

Packet forwarding rate (pps)

Connections

NIC queues

ENIs

Private IPv4 addresses per ENI

IPv6 addresses per ENI

Disk baseline IOPS

Disk baseline bandwidth (Gbit/s)

Instance type

vCPUs

Memory (GiB)

Network baseline/burst bandwidth (Gbit/s)

Packet forwarding rate (pps)

Connections

NIC queues

ENIs

Private IPv4 addresses per ENI

IPv6 addresses per ENI

Disk baseline IOPS

Disk baseline bandwidth (Gbit/s)

ecs.hfr6.large

2

16

1/3

300,000

35,000

2

2

6

1

10,000

1

ecs.hfr6.xlarge

4

32

1.5/5

500,000

70,000

4

3

10

1

20,000

1.5

ecs.hfr6.2xlarge

8

64

2.5/8

800,000

150,000

8

4

10

1

25,000

2

ecs.hfr6.3xlarge

12

96

4/10

900,000

220,000

8

6

10

1

30,000

2.5

ecs.hfr6.4xlarge

16

128

5/10

1,000,000

300,000

8

8

20

1

40,000

3

ecs.hfr6.6xlarge

24

192

7.5/10

1,500,000

450,000

12

8

20

1

50,000

4

ecs.hfr6.8xlarge

32

256

10/none

2,000,000

600,000

16

8

20

1

60,000

5

ecs.hfr6.10xlarge

40

384

12.5/none

3,000,000

1,000,000

32

7

20

1

100,000

8

ecs.hfr6.16xlarge

64

512

20/none

4,000,000

1,200,000

32

8

20

1

120,000

10

ecs.hfr6.20xlarge

80

768

25/none

6,000,000

1,800,000

32

15

20

1

200,000

16

hfc5, compute-optimized instance family with high clock speeds

  • Supported scenarios: Scenarios such as high-performance frontend servers, high-performance scientific and engineering applications, MMO games, and video encoding.

  • Compute:

    • Offers a CPU-to-memory ratio of 1:2.

    • Uses 3.1 GHz Intel® Xeon® Gold 6149 (Skylake) processors to provide consistent computing performance.

  • Storage:

    • Is an instance family in which all instances are I/O optimized.

    • Supports standard SSDs and ultra disks. For information about disks, see Overview of Block Storage.

  • Network:

    • Supports only IPv4.

    • Provides high network performance based on large computing capacity.

hfc5 instance types

Instance type

vCPUs

Memory (GiB)

Network baseline bandwidth (Gbit/s)

Packet forwarding rate (pps)

NIC queues

ENIs

Private IPv4 addresses per ENI

Instance type

vCPUs

Memory (GiB)

Network baseline bandwidth (Gbit/s)

Packet forwarding rate (pps)

NIC queues

ENIs

Private IPv4 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

hfg5, general-purpose instance family with high clock speeds

  • Supported scenarios: Scenarios such as high-performance frontend servers, high-performance scientific and engineering applications, MMO games, and video encoding.

  • 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 to provide consistent computing performance.

  • Storage:

    • Is an instance family in which all instances are I/O optimized.

    • Supports standard SSDs and ultra disks. For information about disks, see Overview of Block Storage.

  • Network:

    • Supports only IPv4.

    • Provides high network performance based on large computing capacity.

hfg5 instance types

Instance type

vCPUs

Memory (GiB)

Network baseline bandwidth (Gbit/s)

Packet forwarding rate (pps)

NIC queues

ENIs

Private IPv4 addresses per ENI

Instance type

vCPUs

Memory (GiB)

Network baseline bandwidth (Gbit/s)

Packet forwarding rate (pps)

NIC queues

ENIs

Private IPv4 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

Previous: Instance families with local SSDs (i series)Next: Enhanced instance families
  • On this page （1）
  • Background information
  • hfc7, compute-optimized instance family with high clock speeds
  • hfg7, general-purpose instance family with high clock speeds
  • hfr7, memory-optimized instance family with high clock speeds
  • hfc6, compute-optimized instance family with high clock speeds
  • hfg6, general-purpose instance family with high clock speeds
  • hfr6, memory-optimized instance family with high clock speeds
  • hfc5, compute-optimized instance family with high clock speeds
  • hfg5, general-purpose instance family with high clock speeds
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