Enermax EB210S. Size: 63.5 mm (2.5 "), Hard drive interface: Serial ATA. Compatible operating systems: Windows 98SE/ME/2000/XP/Vista/7, Mac OS 9X +. Colour of product: Black. Dimensions (WxDxH): 128 x 80 x 14 mm, Width: 128 mm, Depth: 80 mm. Material: Aluminium, Leather, Plastic