Pricing Overview
The Azure FX4mds costs $0.3720/hour ($271.56/month) for Linux and $0.5560/hour ($405.88/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 / Tier | Hourly | Monthly | Savings |
|---|---|---|---|
Standard Tier — On-Demand | $0.3720 | $271.56 | Baseline |
1-Year Reserved Instance | $0.2195 | $160.25 | -41% |
3-Year Reserved Instance | $0.1339 | $97.75 | -64% |
Spot Instance | $0.0687 | $50.18 | -82% |
You could save $221.38/mo on this instance with the right pricing model.
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730 h
1
Estimated monthly
$271.56
730 hrs × $0.3720/hr × 1
Compute
vCPUs i4
Memory i84 GB
Physical processorIntel® Xeon® Processor
Nested VirtualizationSupported
Sole TenantSupported
GPUNone
Within FX family
FX4mds4 vCPU
FX12mds12 vCPU
FX24mds24 vCPU
FX36mds36 vCPU
FX48mds48 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 bandwidth1–4 Gbps
Tier 1 bandwidthN/A
Enhanced networking iYes (gvnic/virtio)
IPv6 supportYes (Dual-stack VPC)
Storage
Max persistent disks16
Max disk size32 TB
Local SSDsSupported (Scratch Disk)
Compare with another instance
vs.
SpecFX4mdsFX12mdsΔ
vCPUs412+200%
Memory84 GB252 GB+200%
Hourly Price$0.3720$1.1160+200%
Monthly Price$271.56$814.68+200%
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.
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