Raidsonic IB-223STU-B. Size: 63.5 mm (2.5 "), Hard drive interface: Serial ATA, Serial ATA II. Cables included: USB. Compatible operating systems: - Windows 98/ME/2000/XP/Vista - Mac OS X >10.4.1. Colour of product: Black. Dimensions (WxDxH): 130 x 80 x 13 mm, Weight: 60 g