Jou Jye Computer ST-2316SATA. Size: 88.9 mm (3.5 "), Hard drive interface: Serial ATA. Compatible operating systems: Win 98SE/2000/ME/XP/Vista Mac OS (Classic and OS X). Colour of product: Silver. Dimensions (WxDxH): 220 x 35 x 134 mm, Weight: 500 g. Power requirements: 100-240V, 12V-1.7A, 25W