Amazon S3 multipart upload limits - Amazon Simple Storage Service
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Amazon S3 multipart upload limits

The following table provides multipart upload core specifications. For more information, see Uploading and copying objects using multipart upload.

Item Specification
Maximum object size 5 TiB
Maximum number of parts per upload 10,000
Part numbers 1 to 10,000 (inclusive)
Part size 5 MiB to 5 GiB. There is no minimum 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