FSx for Windows File Server versus S3

03 Aug 2020

Learn how FSx for Windows File Server differs from S3.

FSx for Windows File Server S3
Type

NAS

Web Service

Interface

SMB

REST API

Accessibility

EC2, On-Premises

Anywhere

Latency

Medium

High

Throughput

Hundreds of GB/s

Very High

Durability

Unspecified (probably >99.8%)

99.999999999%

Availability

99.9%

99.99%

Replication

Multi-AZ (optional)

Multi-AZ (default), Multi-Region (optional)

Backups/Snapshots

Volume Shadow Copy Service (VSS)

n/a

Storage Costs (GB/month)

$0.23

$0.023