Seagate Expansion 1TB Portable External Hard Drive USB 3.0 (STEA1000400) System requirements : Windows 8, Windows 7 Operating System SuperSpeed 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) 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 NOTE: Refer User Guide on Technical Specification before use