Amazon Simple Storage Service
Console User Guide

How Do I Enable Transfer Acceleration for an S3 Bucket?

If you are in the old Amazon S3 console, to use the new console, choose Opt In in the following box, which appears on the old Amazon S3 console home page. Note that Opt In is not available in all Regions.  

                            Opt-in to new Amazon S3 console UI

Amazon Simple Storage Service (Amazon S3) transfer acceleration enables fast, easy, and secure transfers of files between your client and an S3 bucket over long distances. This topic describes how to enable Amazon S3 transfer acceleration for a bucket. For more information, see Amazon S3 Transfer Acceleration in the Amazon Simple Storage Service Developer Guide.

To enable transfer acceleration for an S3 bucket

  1. Sign in to the AWS Management Console and open the Amazon S3 console at

  2. In the Bucket name list, choose the name of the bucket that you want to enable transfer acceleration for.

  3. Choose Properties.

  4. Choose Transfer acceleration.

  5. Choose Enabled, and then choose Save.

    Endpoint displays the endpoint domain name that you use to access accelerated data transfers to and from the bucket that is enabled for transfer acceleration. If you suspend transfer acceleration, the accelerate endpoint no longer works.

  6. (Optional) If you want to run the Amazon S3 Transfer Acceleration Speed Comparison tool, which compares accelerated and non-accelerated upload speeds starting with the Region in which the transfer acceleration bucket is enabled, choose Want to compare your data transfer speed by region?. The Speed Comparison tool uses multipart uploads to transfer a file from your browser to various AWS Regions with and without using Amazon S3 transfer acceleration.

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