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Instance Store versus EFS

30 Jan 2023

Learn how Instance Store differs from EFS.

Instance Store EFS
Type

Local

NAS

Interface

Block Storage

NFSv4

Accessibility

EC2

EC2, On-Premises

Latency

Very Low

High

Throughput

Up to ~5,500 MB/s

Default limit is 1,000 MB/s but can be increased

Durability

Ephemeral

99.999999999%

Availability

Medium

99.99%

Replication

Single AZ

Multi-AZ (default), Single AZ

Backups/Snapshots

n/a

AWS Backup

Storage Costs (GB/month)

$0.25

$0.30