What are the different Amazon S3 storage classes, and when would you use each?

Question

Sajanvethakumar Francis · Accepted Answer

S3 Standard → Frequently accessed data (websites, apps). S3 Intelligent-Tiering → Unpredictable access patterns. S3 Standard-IA (Infrequent Access) → Long-lived, infrequently accessed data (disaster recovery). S3 One Zone-IA → Same as IA but stored in a single AZ (cheaper, less resilient). S3 Glacier Instant Retrieval → Archival with milliseconds access. S3 Glacier Flexible Retrieval → Archival, minutes to hours retrieval. S3 Glacier Deep Archive → Lowest cost, retrieval within 12–48 hours.

What are the different Amazon S3 storage classes, and when would you use each?

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