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Azure DCasv5 and DCadsv5-series confidential virtual machines
Specifications for Azure Confidential Computing's DCasv5 and DCadsv5-series confidential virtual machines.
runcai
runcai
mimckitt
virtual-machines
sizes
conceptual
11/15/2021

DCasv5 and DCadsv5-series confidential VMs

Applies to: ✔️ Linux VMs ✔️ Windows VMs

The DCasv5-series and DCadsv5-series are confidential VMs for use in Confidential Computing.

These confidential VMs use AMD's third-Generation EPYCTM 7763v processor in a multi-threaded configuration with up to 256 MB L3 cache. These processors can achieve a boosted maximum frequency of 3.5 GHz. Both series offer Secure Encrypted Virtualization-Secure Nested Paging (SEV-SNP). SEV-SNP provides hardware-isolated VMs that protect data from other VMs, the hypervisor, and host management code. Confidential VMs offer hardware-based VM memory encryption. These series also offer OS disk pre-encryption before VM provisioning with different key management solutions.

DCasv5-series

DCasv5-series VMs offer a combination of vCPU and memory for most production workloads. These VMs with no local disk provide a better value proposition for workloads where you don't need a local temporary disk. For more information, see the FAQ for Azure VM sizes with no local temporary disk.

This series supports Standard SSD, Standard HDD, and Premium SSD disk types. Billing for disk storage and VMs is separate. To estimate your costs, use the Pricing Calculator.

Note

There are some pricing differences based on your encryption settings for confidential VMs.

DCasv5-series feature support

Supported features in DCasv5-series VMs:

Unsupported features in DCasv5-series VMs:

DCasv5-series products

Size vCPU Memory: GiB Temp storage (SSD) GiB Max data disks Max uncached disk throughput: IOPS/MBps Max NICs Max network bandwidth (Mbps)
Standard_DC2as_v5 2 8 Remote Storage Only 4 3750/82 2 3000
Standard_DC4as_v5 4 16 Remote Storage Only 8 6400/144 2 5000
Standard_DC8as_v5 8 32 Remote Storage Only 16 12800/200 4 5000
Standard_DC16as_v5 16 64 Remote Storage Only 32 25600/384 4 10000
Standard_DC32as_v5 32 128 Remote Storage Only 32 51200/768 8 12500
Standard_DC48as_v5 48 192 Remote Storage Only 32 76800/1152 8 15000
Standard_DC64as_v5 64 256 Remote Storage Only 32 80000/1200 8 20000
Standard_DC96as_v5 96 384 Remote Storage Only 32 80000/1600 8 20000

DCadsv5-series

DCadsv5-series offer a combination of vCPU, memory, and temporary storage for most production workloads.

This series supports Standard SSD, Standard HDD, and Premium SSD disk types. Billing for disk storage and VMs is separate. To estimate your costs, use the Pricing Calculator.

Note

There are some pricing differences based on your encryption settings for confidential VMs.

DCadsv5-series feature support

Supported features in DCadsv5-series VMs:

Unsupported features in DCadsv5-series VMs:

DCadsv5-series products

Size vCPU Memory: GiB Temp storage (SSD) GiB Max data disks Max temp storage throughput: IOPS/MBps Max uncached disk throughput: IOPS/MBps Max NICs Max network bandwidth (Mbps)
Standard_DC2ads_v5 2 8 75 4 9000 / 125 3750/82 2 3000
Standard_DC4ads_v5 4 16 150 8 19000 / 250 6400/144 2 5000
Standard_DC8ads_v5 8 32 300 16 38000 / 500 12800/200 4 5000
Standard_DC16ads_v5 16 64 600 32 75000 / 1000 25600/384 4 10000
Standard_DC32ads_v5 32 128 1200 32 150000 / 2000 51200/768 8 12500
Standard_DC48ads_v5 48 192 1800 32 225000 / 3000 76800/1152 8 15000
Standard_DC64ads_v5 64 256 2400 32 300000 / 4000 80000/1200 8 20000
Standard_DC96ads_v5 96 384 3600 32 450000 / 4000 80000/1600 8 20000

Note

To achieve these IOPs, use Gen2 VMs.

[!INCLUDE virtual-machines-common-sizes-table-defs]

Next steps

[!div class="nextstepaction"] Confidential virtual machine options on AMD processors