Storage Classes
Storage Object Classes
- By default, objects are replicated across at least 3 AZs
- 200 OK for successful response
- TRANSFER IN is free but $ per GB is charged for TRANSFER OUT + a price per 1000 requests
Comparing the Amazon S3 storage classes
| Storage class | Designed for | Durability (designed for) | Availability (designed for) | Availability Zones | Min storage duration | Min billable object size | Other considerations |
|---|---|---|---|---|---|---|---|
| S3 Standard | Frequently accessed data (more than once a month) with millsecond access | 99.999999999% | 99.99% | >= 3 | None | None | None |
| S3 Standard-IA | Long-lived, infrequently accessed data (once a month) with millisecond access | 99.999999999% | 99.9% | >= 3 | 30 days | 128 KB | Per GB retrieval fees apply. |
| S3 Intelligent-Tiering | Data with unknown, changing, or unpredictable access patterns | 99.999999999% | 99.9% | >= 3 | None | None | Monitoring and automation fees per object apply. No retrieval fees. |
| S3 One Zone-IA | Recreatable, infrequently accessed data (once a month) with millisecond access | 99.999999999% | 99.5% | 1 | 30 days | 128 KB | Per GB retrieval fees apply. Not resilient to the loss of the Availability Zone. |
| S3 Glacier Instant Retrieval | Long-lived, archive data accessed once a quarter with millisecond access | 99.999999999% | 99.9% | >= 3 | 90 days | 128 KB | Per GB retrieval fees apply. |
| S3 Glacier Flexible Retrieval | Long-lived archive data accessed once a year with retrieval times of minutes to hours | 99.999999999% | 99.99% (after you restore objects) | >= 3 | 90 days | 40 KB | Per GB retrieval fees apply. You must first restore archived objects before you can access them. For information, see Restoring an archived object. |
| S3 Glacier Deep Archive | Long-lived archive data accessed less than once a year with retrieval times of hours | 99.999999999% | 99.99% (after you restore objects) | >= 3 | 180 days | 40 KB | Per GB retrieval fees apply. You must first restore archived objects before you can access them. For information, see Restoring an archived object. |
| RRS (not recommended) | Noncritical, frequently accessed data with millisecond access | 99.99% | 99.99% | >= 3 | None | None | None |
S3 Standard, Standard IA, S3 One Zone-IA
S3 Glacier
- Objects cannot be made publicly accessible
- any access of data (beyond object metadata) requires a retrieval process
S3 Intelligent-Tiering
