Windows 98/2000/ME/XP,Mac; Compatible with USB 2.0 and USB 1.1 standards; High speed data transfer up to 480 Mbps; Suitable for 2.5"IDE hard disk; Chipset: PL-2506, GL811E, AT2(CY7C68300), or JM20339(SATA); Super capacity: 20-160GB 2.5" IDE Hard disk; Portable design: size:131 X 78 X 15mm, Weight: 132g; Colour: Black, Red, Blue, Gray, Yellow, Green