1.Windows 98/2000/ME/XP and Mac compatible; 2.Works with any USB computer; 3.External USB interface,supportig USB;1.0,1.1/2.0,480 Mbps transfer; patible with any 3.5 inch IDE hard drive; 5.Ideal for date strorage,backups or tranporting date; 6.USB cable; 7.PLASTIC CASE; 8.Size:152*105*18(L*W*H,mm); 9.Optional color:silver,gray