S3 Storage Classes
~10 min read
Trading retrieval speed and fee for storage cost, matched to how often data is actually accessed.
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Key points
- •Standard: frequent access, no retrieval fee, highest storage cost
- •Standard-IA / One Zone-IA: infrequent access, retrieval fee, lower storage cost; One Zone trades redundancy for even lower cost
- •Glacier Instant Retrieval: rare access but needs millisecond retrieval when accessed
- •Glacier Flexible/Deep Archive: true long-term archives, minutes-to-hours retrieval, lowest cost
- •Intelligent-Tiering: automatic tier movement based on actual observed access patterns