Amazon s3 addon allow to upload all your files to the Amazon cloud servers. Choose a bucket to upload to, put in your api keys and you have the freedom of s3!
This plugin has the ability to upload to your bucket and download from your bucket. There is a built in tool to migrate all your files to Amazon s3 as well as download them back off the server if you choose not to use it. To use amazon S3 you must have a premium license.