FX family · Compute Optimizedx86_64 · Intel/AMD

FX12mds

The Azure FX12mds (Standard_FX12mds) is a virtual machine from the FX series, with 12 vCPUs, 252 GB of RAM and 504 GB of temporary storage. On-demand pricing starts at $1.1160/hour in East US.

Updated September 3, 2026
vCPUs
12
Memory
252 GB
Network
Up to 4–8 Gbps
Storage
504 GB Temp SSD

Save up to $664/mo on every FX12mds

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Pricing Overview

The Azure FX12mds costs $1.12/hour ($814.68/month) for Linux and $1.67/hour ($1217.64/month) for Windows in East US, as of 3 September 2026.

All pricing options

East US · USD · Linux OS · monthly = 730 hrs
Prices exclude local taxes
Term / TierHourlyMonthlySavings
Standard Tier — On-Demand
$1.1160$814.68 Baseline
1-Year Reserved Instance
$0.6584$480.67 -41%
3-Year Reserved Instance
$0.4017$293.28 -64%
Spot Instance
$0.2062$150.55 -82%
You could save $664.13/mo on this instance with the right pricing model.
Find my savings

Monthly cost estimator

Estimate your spend based on actual usage.
730 h
1h365h730h (24/7)
1
Estimated monthly
$814.68
730 hrs × $1.1160/hr × 1

Compute

x86_64 · Intel/AMD
vCPUs i12
Memory i252 GB
Physical processorIntel® Xeon® Processor
Nested VirtualizationSupported
Sole TenantSupported
GPUNone
Within FX family
FX4mds
4 vCPU
FX12mds
12 vCPU
FX24mds
24 vCPU
FX36mds
36 vCPU
FX48mds
48 vCPU

Lock in this rate across your fleet — typically save 30–40%

Connect your Azure account to apply this pricing logic to every running instance automatically.

Networking

Max egress bandwidth4–8 Gbps
Tier 1 bandwidthN/A
Enhanced networking iYes (gvnic/virtio)
IPv6 supportYes (Dual-stack VPC)

Storage

Max persistent disks48
Max disk size32 TB
Local SSDsSupported (Scratch Disk)

Compare with another instance

vs.
SpecFX12mdsFX4mdsΔ
vCPUs124-67%
Memory252 GB84 GB-67%
Hourly Price$1.1160$0.3720-67%
Monthly Price$814.68$271.56-67%
Cost optimization

Azure recommender alerts can cut this bill ~30-40%.

Connect your Azure account. We'll identify every underutilized FX.* instance and show exactly where downsizing, cleaning up orphaned disks, or shifting to reservations saves money — with zero code changes.