Perfectly works with Amazon S3
Amazon S3 is an object storage service offered by Amazon Web Services. S3 is designed to provide 99.999999999% durability and 99.99% availability of objects over a given year. This is a good solution to store and backup data that can should accessed and restored fast.
Also works with over 15 other clouds
Amazon S3 and S3 compatible, Windows Azure, Rackspace, HP Cloud, Openstack based clouds and more...