Interface: Serial ATA Material: Aluminium + SPCC + ABS Dimensions: 5 3/4"(146 mm)L x 4"(115 mm)W x 15/16"(25 mm)H Weight: .4 lbs (252 g) Operating Temperature: 0ºc to 55ºc OS Windows 98/ME/2000/XP/Vista/7/8 Sever 2008 Mac 10.2 or above