The WD MyPassport SSD is Compatible with Windows® 10, Windows 8.1, Windows 7, macOS High Sierra, Sierra or El Capitan. Unboxing the MyPassport SSD reveals a portable SSD Drive, USB Type-C to Type-C cable (supports USB 3.1 Gen-2), USB Type-C to Type-A adapter, WD Discovery™ software** for WD Backup™, WD Security™ and WD Drive Utilities™ as well as a quick install guide.