Icy Dock MB663USB-1S. Size: 63.5 mm (2.5 "), Hard drive interface: Serial ATA. Compatible operating systems: Windows 98/SE/ME/2000/XP/Vista/7 Mac OS 9.0+. Colour of product: Silver, White. Width: 76.3 mm, Depth: 150 mm, Height: 13 mm. Material: Aluminium, Plastic