Icy Dock Aluminium 2.5" USB 2.0 Enclosure. Size: 63.5 mm (2.5 "), Hard drive interface: Serial ATA II. Interface: USB 2.0. Compatible operating systems: Windows 98/SE/ME/2000/XP/VISTA; Mac OS 9.0 +. Colour of product: Silver. Dimensions (WxDxH): 76.3 x 150 x 13 mm