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HBv3 sizes series

HBv3-series VMs are optimized for HPC applications such as fluid dynamics, explicit and implicit finite element analysis, weather modeling, seismic processing, reservoir simulation, and RTL simulation. HBv3 VMs feature up to 120 AMD EPYC™ 7V73X (Milan-X) CPU cores, 448 GB of RAM, and no simultaneous multithreading. HBv3-series VMs also provide 350 GB/sec of memory bandwidth (amplified up to 630 GB/s), up to 96 MB of L3 cache per core (1.536 GB total per VM), up to 7 GB/s of block device SSD performance, and clock frequencies up to 3.5 GHz. All HBv3-series VMs feature 200 Gb/sec HDR InfiniBand from NVIDIA Networking to enable supercomputer-scale MPI workloads. These VMs are connected in a non-blocking fat tree for optimized and consistent RDMA performance. The HDR InfiniBand fabric also supports Adaptive Routing and the Dynamic Connected Transport (DCT, in additional to standard RC and UD transports). These features enhance application performance, scalability, and consistency, and their usage is strongly recommended.

Host specifications

Part Quantity
Count Units
Specs
SKU ID, Performance Units, etc.
Processor 120 - 16 vCPUs AMD EPYC 7V73X (Milan-X) [x86-64]
Memory 448 GiB
Local Storage 1 Temp Disk
2 NVMe Disks
480 GiB
960 GiB
Remote Storage 32 Disks
Network 8 NICs
Accelerators None

Feature support

Premium Storage: Supported
Premium Storage caching: Supported
Live Migration: Not Supported
Memory Preserving Updates: Not Supported
Generation 2 VMs: Supported
Generation 1 VMs: Supported
Accelerated Networking: Supported
Ephemeral OS Disk: Supported
Nested Virtualization: Not Supported

Sizes in series

vCPUs (Qty.) and Memory for each size

Size Name vCPUs (Qty.) Memory (GB) Memory Bandwidth (GB/s) Base CPU Frequency (GHz) Single-core Frequency Peak (GHz) All-core Frequency Peak (GHz)
Standard_HB120rs_v3 120 448 350 1.9 3.5 3
Standard_HB120-96rs_v3 96 448 350 1.9 3.5 3
Standard_HB120-64rs_v3 64 448 350 1.9 3.5 3
Standard_HB120-32rs_v3 32 448 350 1.9 3.5 3
Standard_HB120-16rs_v3 16 448 350 1.9 3.5 3

VM Basics resources

Other size information

List of all available sizes: Sizes

Pricing Calculator: Pricing Calculator

Information on Disk Types: Disk Types

Next steps

Read about the latest announcements, HPC workload examples, and performance results at the Azure Compute Tech Community Blogs.

For a higher level architectural view of running HPC workloads, see High Performance Computing (HPC) on Azure.