Fantec MD-25US. Size: 63.5 mm (2.5 "), Hard drive interface: Serial ATA. Interface: USB. Compatible operating systems: Windows 98SE/ME/2000/XP/Vista/7 Mac OS 9.x + Linux. Colour of product: Black. Dimensions (WxDxH): 76 x 114 x 14 mm, Weight: 400 g This is an auto-generated long summary based on the first three features of the first five feature groups.