- Core Features
- S3 provides secure, scalable object-based cloud storage with unlimited storage
- Files can range from 0 bytes to 5 terabytes in size
- Objects consist of data and metadata with versioning capabilities
- Service offers 99.999999999% durability and 99.99% availability guarantees
- Storage Classes
- Security and Access
- Default access is private with bucket and file-level ACLs
- Supports encryption through SSE-S3, SSE-KMS, and SSE-C
- Cross-Region Replication enables automatic data replication
- Versioning stores all object versions including writes and deletes
- Billing
- Charges based on storage, requests, retrievals, and early deletes
- Storage management and transfer acceleration are additional charges
- Objects can be uploaded unlimited but only pay for used storage