Previous generation Azure VM size series

This article provides a list of all size series that are considered previous-gen. Status is listed as next-gen available or capacity limited based on capacity. For sizes that require it there are migration guides to help move to replacement sizes.

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Series listed as previous-gen are not currently retired and can still be used. To view retired size series, see Retired Azure VM size series.

What are previous-gen size series?

Previous generation virtual machine size series are running on older hardware. While they can still be used and are fully supported, there are newer generations available. It's recommended to migrate to the latest generation replacements.

To learn more about previous-gen sizes, retirement, and the status states of previous-gen size series, see the size series retirement overview.

General purpose previous-gen sizes

Series name	Status	Migration guide
B-series (V1)	Capacity limited
Standard D-series	Capacity limited
Preview DC-series	Capacity limited
DS-series	Capacity limited

For a list of general purpose sizes listed as "retired" and "announced for retirement" (sizes that are no longer available or soon to be unavailable for use), see retired general purpose sizes.

Compute optimized previous-gen sizes

Series name	Status	Migration guide
F-series	Next-gen available
Fs-series	Next-gen available

For a list of compute optimized sizes listed as "retired" and "announced for retirement" (sizes that are no longer available or soon to be unavailable for use), see retired compute optimized sizes.

Memory optimized previous-gen sizes

Series name	Replacement series	Migration guide
Ev3 and Esv3-series	Next-gen available
Ev4 and Esv4-series	Next-gen available
Eav4 and Easv4-series	Next-gen available
Edv4 and Edsv4-series	Next-gen available
GS-series	Capacity limited
G-series	Capacity limited
Memory-optimized D-series	Capacity limited
Memory-optimized DS-series	Capacity limited

For a list of memory optimized sizes listed as "retired" and "announced for retirement" (sizes that are no longer available or soon to be unavailable for use), see retired memory optimized sizes.

Storage optimized previous-gen sizes

Series name	Replacement series	Migration guide
Lsv2-series	Capacity limited

For a list of storage optimized sizes listed as "retired" and "announced for retirement" (sizes that are no longer available or soon to be unavailable for use), see retired storage optimized sizes.

GPU accelerated previous-gen sizes

Series name	Status	Migration guide
NVv2-series	Next-gen available

For a list of GPU accelerated sizes listed as "retired" and "announced for retirement" (sizes that are no longer available or soon to be unavailable for use), see retired GPU accelerated sizes.

FPGA accelerated previous-gen sizes

Currently there are no previous-gen or capacity limited FPGA accelerated sizes.

For a list of FPGA accelerated sizes listed as "retired" and "announced for retirement" (sizes that are no longer available or soon to be unavailable for use), see retired fpga accelerated sizes.

HPC previous-gen sizes

Currently there are no previous-gen or capacity limited HPC sizes.

For a list of HPC sizes listed as "retired" and "announced for retirement" (sizes that are no longer available or soon to be unavailable for use), see retired HPC sizes.

ADH previous-gen sizes

Currently there are no previous-gen or capacity limited ADH sizes.

For a list of ADH sizes listed as "retired" and "announced for retirement" (sizes that are no longer available or soon to be unavailable for use), see retired ADH sizes.

Next steps

• For a list of retired sizes, see Retired Azure VM sizes.
• For more information on VM sizes, see Sizes for virtual machines in Azure.