Capacity: 2T Material: Rubber, Plastic HDD Interface: 2.5” SATA HDD Interface: SuperSpeed USB 3.1 Gen 1 backward compatible with USB 2.0 specification Power Supply: USB bus powered No external power required Systems Supported: Windows 10/8.1/8/7/XP, Mac OS 10.4.X or above, Linux Kernel 2.6.X or above Transfer Rate: -SuperSpeed up to 5Gbps for USB 3.1 Gen 1 Hi-Speed up to 480Mbps for USB 2.0 Accessory: HDD, USB Cable, Quick Guide Certificate: CE, FCC, BSMI, RCM