Instance Store: Physically attached to EC2 instance

Ephemeral storage - Temporary data (Data lost - hardware fails or instance

termination)

CANNOT take a snapshot or restore from snapshot

Use case: cache or scratch files

Elastic Block Store (EBS): Network Storage

More Durable. Very flexible Provisioned capacity

Increase size when you need it - when attached to EC2 instance

99.999% Availability & replicated within the same AZ

Use case : Run your custom database