FX4mds

The 'FX' family of VM size series are one of Azure's specialized compute-optimized VM instances, designed primarily workloads that require significant CPU capabilities.

The FX4mds 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) 84
CPU Architecture x64
Capacity Support True
VM Generations V2
VM Deployment Types IaaS
Network Value
Accelerated Networking True
Storage Value
Local Temp Storage (MB) 172032
Cache/Temp Storage Throughput (IOPS) 54500
Cache/Temp Storage Read/Write Throughput (Bytes/s) 342884352
Uncached Disk Throughput (IOPS) 6700
Uncached Disk Read/Write Throughput (Bytes/s) 104857600
Premium I/O True
Encryption True
Memory Maintenance True
Family Instances
Instance vCPUs Memory
FX4mds 4 84
FX12mds 12 252
FX24mds 24 504
FX36mds 36 756
FX48mds 48 1008
Related Instances
Instance vCPUs Memory
FX4-2mds_v2 4 84
FX4-2ms_v2 4 84
FX4ms_v2 4 84
FX4mds_v2 4 84