Buffalo"s DriveStation DDR is an easy to use, high performance USB 3.0 desktop hard drive that offers ultra fast transfer speeds, comparable to SSD. Combining the high capacity of an HDD with 1 GB of DRAM cache, DriveStation DDR provides SSD-like performance. With blazing fast transfer speeds up to 408 MB/s, it is up to 3x faster than USB 3.0 and 10x faster than USB 2.0. Perfect for any PC or Mac, it"s backward compatible with USB 2.0, and its unique chassis design can stand upright or lay flat for placement just about anywhere. It ships complete with Buffalo Tools, a feature-rich software suite designed to enhance computer performance and the day-to-day digital life of Windows PC consumers; boost performance, conserve energy and battery consumption and perform PC backups. DriveStation DDR is the perfect solution for easily expanding storage or backing up your computer with ultra fast file transfers.