Seagate Expansion desktop drive, add-on storage for your PC The Seagate® Expansion desktop drive provides extra storage for your ever-growing collection of files. Add space for more files instantly, consolidate all your files to a single location, or free space on your computer’s internal drive for improved performance. Set-up is straightforward. Simply plug in the included power supply and USB cable and you are ready to go. It is automatically recognised by the Windows® operating system, so there is no software to install and nothing to configure. Saving files is easy too, just drag and drop. Take advantage of the fast data transfer speeds with the USB 3.0 interface by connecting to a SuperSpeed USB 3.0 port. USB 3.0 is backward compatible with USB 2.0 for additional system compatibility.