EFS versus FSx for Windows File Server
Learn how EFS differs from FSx for Windows File Server.
| EFS | FSx for Windows File Server | |
|---|---|---|
| Type | NAS |
NAS |
| Interface | NFSv4 |
SMB |
| Accessibility | EC2, On-Premises |
EC2, On-Premises |
| Latency | High |
Medium |
| Throughput | Default limit is 1,000 MB/s but can be increased |
Hundreds of GB/s |
| Durability | 99.999999999% |
Unspecified (probably >99.8%) |
| Availability | 99.99% |
99.9% |
| Replication | Multi-AZ (default), Single AZ |
Multi-AZ (optional) |
| Backups/Snapshots | AWS Backup |
Volume Shadow Copy Service (VSS) |
| Storage Costs (GB/month) | $0.30 |
$0.23 |