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H-series

  • [アーティクル]

Applies to: ✔️ Linux VMs ✔️ Windows VMs ✔️ Flexible scale sets ✔️ Uniform scale sets

H-series VMs are optimized for applications driven by high CPU frequencies or large memory per core requirements. H-series VMs feature 8 or 16 Intel Xeon E5 2667 v3 processor cores, up to 14 GB of RAM per CPU core, and no hyperthreading. H-series features 56 Gb/sec Mellanox FDR InfiniBand in a non-blocking fat tree configuration for consistent RDMA performance. H-series VMs are not SR-IOV enabled currently and support Intel MPI 5.x and MS-MPI.

ACU: 290-300
Premium Storage: Not Supported
Premium Storage caching: Not Supported
Live Migration: Not Supported
Memory Preserving Updates: Not Supported
VM Generation Support: Generation 1
Accelerated Networking: Not Supported
Ephemeral OS Disks: Not Supported

Size vCPU Processor Memory (GiB) Memory bandwidth GB/s Base CPU frequency (GHz) All-cores frequency (GHz, peak) Single-core frequency (GHz, peak) RDMA performance (Gb/s) MPI support Temp storage (GiB) Max data disks Max disk throughput: IOPS Max Ethernet vNICs
Standard_H8 8 Intel Xeon E5 2667 v3 56 40 3.2 3.3 3.6 - Intel 5.x, MS-MPI 1000 32 32 x 500 2
Standard_H16 16 Intel Xeon E5 2667 v3 112 80 3.2 3.3 3.6 - Intel 5.x, MS-MPI 2000 64 64 x 500 4
Standard_H8m 8 Intel Xeon E5 2667 v3 112 40 3.2 3.3 3.6 - Intel 5.x, MS-MPI 1000 32 32 x 500 2
Standard_H16m 16 Intel Xeon E5 2667 v3 224 80 3.2 3.3 3.6 - Intel 5.x, MS-MPI 2000 64 64 x 500 4
Standard_H16r 1 16 Intel Xeon E5 2667 v3 112 80 3.2 3.3 3.6 56 Intel 5.x, MS-MPI 2000 64 64 x 500 4
Standard_H16mr 1 16 Intel Xeon E5 2667 v3 224 80 3.2 3.3 3.6 56 Intel 5.x, MS-MPI 2000 64 64 x 500 4

1 For MPI applications, dedicated RDMA backend network is enabled by FDR InfiniBand network.

Note

Among the RDMA capable VMs, the H-series are not SR-IOV enabled. Therefore, the supported VM Images, InfiniBand driver requirements and supported MPI libraries are different from the SR-IOV enabled VMs.

A quirk of the alternate NIC virtualization solution in place for the H-series is that the OS may occasionally report inaccurate link speeds for the synthetic NIC that is used for RDMA connections. This issue does not, however, impact actual performance experienced by jobs using the VM's RDMA capability, so outputs like the following are not a cause for concern.

$ ethtool eth1
Settings for eth1:
        ...
        Speed: 10000Mb/s

Software specifications

Software Specifications H-series VM
Max MPI Job Size 4800 cores (300 VMs in a single virtual machine scale set with singlePlacementGroup=true)
MPI Support Intel MPI 5.x, MS-MPI
OS Support for non-SRIOV RDMA CentOS/RHEL 6.5 - 7.4, SLES 12 SP4+, WinServer 2012 - 2016
Orchestrator Support CycleCloud, Batch, AKS

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Size table definitions

  • Storage capacity is shown in units of GiB or 1024^3 bytes. When you compare disks measured in GB (1000^3 bytes) to disks measured in GiB (1024^3) remember that capacity numbers given in GiB may appear smaller. For example, 1023 GiB = 1098.4 GB.

  • Disk throughput is measured in input/output operations per second (IOPS) and MBps where MBps = 10^6 bytes/sec.

  • Data disks can operate in cached or uncached modes. For cached data disk operation, the host cache mode is set to ReadOnly or ReadWrite. For uncached data disk operation, the host cache mode is set to None.

  • To learn how to get the best storage performance for your VMs, see Virtual machine and disk performance.

  • Expected network bandwidth is the maximum aggregated bandwidth allocated per VM type across all NICs, for all destinations. For more information, see Virtual machine network bandwidth.

    Upper limits aren't guaranteed. Limits offer guidance for selecting the right VM type for the intended application. Actual network performance will depend on several factors including network congestion, application loads, and network settings. For information on optimizing network throughput, see Optimize network throughput for Azure virtual machines. To achieve the expected network performance on Linux or Windows, you may need to select a specific version or optimize your VM. For more information, see Bandwidth/Throughput testing (NTTTCP).

Other sizes and information

Pricing Calculator : Pricing Calculator

For more information on disk types, see What disk types are available in Azure?

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