aixcase AIX-IUB2S. Size: 63.5 mm (2.5 "), Hard drive interface: IDE/ATA. Interface: USB 2.0. Compatible operating systems: Win 2000/XP/VISTA, MAC OS V.9.0, LINUX. Colour of product: Silver. Dimensions (WxDxH): 189 x 136 x 43 mm, Weight: 280 g