The Standard B20ms instance is in the Bms series with 20 vCPUs and 80.0 GiB of memory starting at $0.83 per hour on-demand or $0.49 per hour with a reservation.



On Demand


1 Yr Reserved

3 Yr Reserved


Family Sizes

Size vCPUs Memory (GiB)
b1ls 1 0
b1ms 1 2
b1s 1 1
b2ms 2 8
b2s 2 4
b4ms 4 16
b8ms 8 32
b12ms 12 48
b16ms 16 64
b20ms 20 80

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Instance Details

Compute Value
vCPUs 20
Memory (GiB) 80.0
Memory per vCPU (GiB) 4.0
CPU Architecture x64
Capacity Support True
VM Generations Supported V1,V2
Low Priority False
vCPUs per Physical Core 0
VM Deployment Method IaaS
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Networking Value
Accelerated Networking True
Storage Value
Local Temp Storage (GiB) 160
Cached Disk Size with Host Caching (GiB) 0
Cached/Temp Storage Throughput (IOPS) 10800
Cached/Temp Storage Read/Write Throughput (MBps) 131
Uncached Disk Throughput (IOPS) 4320
Uncached Disk Read/Write Throughput (MBps) 52
Premium I/O True
Ultra Disks Supported True
Encryption True
Memory Maintenance True
Azure Value
Instance Type b20ms
Instance Name Standard B20ms
Name B20ms
Family bs
Confidential False
RDMA False