Revoltec Alu Book Edition 2, 2.5", Black. Size: 63.5 mm (2.5 "), Hard drive interface: Serial ATA. Interface: USB, Cables included: USB. Compatible operating systems: Windows 2000/XP/Vista MacOS 10. Colour of product: Black. Dimensions (WxDxH): 80 x 133 x 16 mm, Weight: 120 g