Jou Jye Computer JJ-1525. Size: 133.3 mm (5.25 "), Hard drive interface: Serial ATA. Interface: USB 2.0. Compatible operating systems: Win 98SE/ME/2000/XP/Vista/7, Mac OS (9.0). Colour of product: Black. Dimensions (WxDxH): 240 x 170 x 48 mm