Seagate Expansion 1TB Portable External Hard Drive Super Speed USB 3.0 port (required for USB 3.0 transfer speeds, or backward compatible with USB 2.0 ports at USB 2.0 transfer speeds).System requirements : Windows 8, Windows 7 Operating System.Drag and drop to save files to the Expansion portable drive,System Requirements:Windows 10, Windows 8, Windows 7 operating system.Offers enough data storage for: Up to 1,000 hours of digital video, Up to 250 two-hour DVD films, Up to 320,000 digital photos, Up to 16,660 hours of digital music. The drive is automatically recognised by the Windows operating system – no software to install and nothing to configure