B12ms

The B12ms is a azure vm instance type featuring multiple vCPUs and optimized memory, commonly used for vm workloads.

Last updated at Sat Jun 20 2026
Instance Info
Compute Value
vCPUs 12
Memory (GB) 48
CPU Architecture x64
Capacity Support True
VM Generations V1,V2
VM Deployment Types IaaS
Network Value
Accelerated Networking True
Storage Value
Local Temp Storage (MB) 98304
Cache/Temp Storage Throughput (IOPS) 6480
Cache/Temp Storage Read/Write Throughput (Bytes/s) 74956800
Uncached Disk Throughput (IOPS) 4320
Uncached Disk Read/Write Throughput (Bytes/s) 50000000
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
D13 8 56
DS13-2_v2 8 56
D5_v2_Promo 16 56
DS13 8 56
D13_v2 8 56