Enermax Jazz EB207U. Size: 63.5 mm (2.5 "), Hard drive interface: IDE/ATA. Compatible operating systems: Windows 2000, XP, ME, Vista, 98/SE Mac OS 8.6 +. Colour of product: Black. Dimensions (WxDxH): 138.8 x 78.3 x 17 mm. Material: Aluminium