Amazon S3 multipart upload limits - Amazon Simple Storage Service

This guide is no longer being updated. For current information and instructions, see the new Amazon S3 User Guide.

Amazon S3 multipart upload limits

The following table provides multipart upload core specifications. For more information, see Multipart upload overview.

Item Specification
Maximum object size 5 TB
Maximum number of parts per upload 10,000
Part numbers 1 to 10,000 (inclusive)
Part size 5 MB to 5 GB. There is no size limit on the last part of your multipart upload.
Maximum number of parts returned for a list parts request 1000
Maximum number of multipart uploads returned in a list multipart uploads request 1000