Instance Store versus FSx for Windows File Server

03 Aug 2020

Learn how Instance Store differs from FSx for Windows File Server.

Instance Store FSx for Windows File Server
Type

Local

NAS

Interface

Block Storage

SMB

Accessibility

EC2

EC2, On-Premises

Latency

Very Low

Medium

Throughput

Up to ~5,500 MB/s

Hundreds of GB/s

Durability

Ephemeral

Unspecified (probably >99.8%)

Availability

Medium

99.9%

Replication

Single AZ

Multi-AZ (optional)

Backups/Snapshots

n/a

Volume Shadow Copy Service (VSS)

Storage Costs (GB/month)

$0.25

$0.23