Limits
Account plan limits
| Feature | Limit |
|---|---|
| Bucket | 1000 buckets per account |
| Data storage per bucket | Unlimited |
| Object size | 5 TB per object1 |
| Max upload size3 | 5 GB2 |
| Class A Operations per bucket | 250 per second4 |
| Class B Operations per bucket | 1000 per second4 |
- The object size limit is 5 GB less than 5 TB, so 4.995 TB.
- The max upload size is 5 MB less than 5 GB, so 4.995 GB.
- Max upload size applies to uploading a file via one request, uploading a part of a multipart upload, or copying into a part of a multipart upload. If you have a Worker, its inbound request size is constrained by Workers request limits. The max upload size limit does not apply to subrequests. Review the Examples on how to use SDKs with the S3 API to upload large files.
- During open beta, the number of operations per bucket will be temporarily restricted.
To increase these limits, contact your Cloudflare account team.