Tiers
- Standard - 99.99% availability and 99.9999999999% durability
- RRS - 99.99% availability and 99.99% durability，適用可重新產生檔案，如縮圖
- IA - 99.99% availability and 99.9999999999% durability，低成本較高的 retrieval fee，適合較少存取頻率
Features
- Events
- Cross-Origin Resource Sharing
- Versioning（佔空間，也就是錢）
- Cross-Region Replication
- Lifecycle（IA -> Glacier -> Delete）
- Website Hosting
- Transfer Acceleration（需要另外收錢）