Standard_D4a_v4vsStandard_D4ahs_v4

At a glanceStandard_D4a_v4Standard_D4ahs_v4
Architecturex86_64x86_64

Key differences

The biggest lead each one has.

Where Standard_D4a_v4 leads

No clear lead on the measures we compare.

Where Standard_D4ahs_v4 leads

No clear lead on the measures we compare.

Specs

20 of 22 specs differ. Those are in bold.

Compute3 of 5 differStandard_D4a_v4Standard_D4ahs_v4
vCPUs44
Physical cores2–
Threads per core2–
Architecturex86_64x86_64
ProcessorAMD EPYC 7452 (Rome), AMD EPYC 7763v (Milan)–
Memory1 of 1 differStandard_D4a_v4Standard_D4ahs_v4
Memory (GiB)16–
Networking3 of 3 differStandard_D4a_v4Standard_D4ahs_v4
Network4,000 Mbps–
Accelerated networkingYes–
Max network interfaces2–
Storage7 of 7 differStandard_D4a_v4Standard_D4ahs_v4
Storage100 GiB temp SSD–
Temp disk100 GiB–
Max data disks8–
Premium SSDNo–
Max disk IOPS (uncached)6,400–
Max disk throughput (uncached)96 MB/s–
Ephemeral OS diskYes–
Instance details4 of 4 differStandard_D4a_v4Standard_D4ahs_v4
FamilyDav4Dahsv4
CategoryGeneral purpose–
VM generationsV1, V2–
Encryption at hostYes–
Other2 of 2 differStandard_D4a_v4Standard_D4ahs_v4
Seriesdav4-series–
Specs sourceAzure Resource SKUs APIderived from size name

Keep exploring

Each type’s own page, and how it compares with others.

Standard_D4a_v4General purpose, Dav4 family
Standard_D4a_v4 prices and specsEvery size in the Dav4 family

Compare Standard_D4a_v4 with

Standard_D4_v4Standard_D4as_v4Standard_E4a_v4
Standard_D4ahs_v4Dahsv4 family
Standard_D4ahs_v4 prices and specs

Pay the committed rate, with commitment protection

Connect your cloud accounts to unlock greater savings with commitment protection.

Connect Azure account

Azure VM Linux prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.