Oyen Digital U32 Shadow 1TB Internal USB 3.0 Mini Portable Hard Drive (U32-HDD-1000-BK) USB-powered, no external power supply needed Superspeed USB 3.0 connection; also compatible with USB 2.0 Aluminum housing provides excellent protection and heat dissipation Compatible with Windows XP & above; MAC OS 10.2 & above; Linux 2.4.22 & above. Backed by a 3-year warranty