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B4ms

The B4ms is a azure vm instance type featuring multiple vCPUs and optimized memory, commonly used for vm workloads.

Last updated at Sun May 17 2026
Instance Info
Compute Value
vCPUs 4
Memory (GB) 16
CPU Architecture x64
Capacity Support True
VM Generations V1,V2
VM Deployment Types IaaS
Network Value
Accelerated Networking False
Storage Value
Local Temp Storage (MB) 32768
Cache/Temp Storage Throughput (IOPS) 3600
Cache/Temp Storage Read/Write Throughput (Bytes/s) 34816000
Uncached Disk Throughput (IOPS) 2880
Uncached Disk Read/Write Throughput (Bytes/s) 35000000
Premium I/O True
Ultra Disks Supported False, True
Encryption True
Memory Maintenance True
Family Instances
Instance vCPUs Memory
B1ls 1 0
B1s 1 1
B1ms 1 2
B2s 2 4
B2ms 2 8
B4ms 4 16
B8ms 8 32
B12ms 12 48
B16ms 16 64
B20ms 20 80
Related Instances
Instance vCPUs Memory
D4ads_v5 4 16
B4s_v2 4 16
D4ads_v6 4 16
B4as_v2 4 16
B4ps_v2 4 16
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