M128-64ms

The 'M' family of VM size series are one of Azure's ultra memory-optimized VM instances designed for extremely memory-intensive workloads, such as large in-memory databases, data warehousing, and high-performance computing (HPC).

The M128-64ms is a azure vm instance type featuring multiple vCPUs and optimized memory, commonly used for vm workloads.

Last updated at Sun Apr 26 2026
Instance Info
Compute Value
vCPUs 128
Memory (GB) 3892
CPU Architecture x64
Capacity Support False
VM Generations V1,V2
VM Deployment Types IaaS
Network Value
Accelerated Networking True
Storage Value
Local Temp Storage (MB) 4194304
Cache/Temp Storage Throughput (IOPS) 250000
Cache/Temp Storage Read/Write Throughput (Bytes/s) 4000000000
Uncached Disk Throughput (IOPS) 80000
Uncached Disk Read/Write Throughput (Bytes/s) 2000000000
Premium I/O True
Encryption True
Memory Maintenance False
Family Instances
Instance vCPUs Memory
M8-2ms 8 218
M8-4ms 8 218
M8ms 8 218
M16-4ms 16 437
M16-8ms 16 437
M16ms 16 437
M32ts 32 192
M32ls 32 256
M32-16ms 32 875
M32-8ms 32 875
M32ms 32 875
M64ls 64 512
M64 64 1024
M64s 64 1024
M64-16ms 64 1792
M64-32ms 64 1792
M64m 64 1792
M64ms 64 1792
M128 128 2048
M128s 128 2048
M128-32ms 128 3892
M128-64ms 128 3892
M128m 128 3892
M128ms 128 3892
Related Instances
Instance vCPUs Memory
M128dms_v2 128 3892
M128-64bds_3_v3 128 2794
M176-88bds_4_v3 176 3892
M128bds_3_v3 128 2794
M128ms_v2 128 3892