Raidsonic IB-267SK-B. Size: 63.5 mm (2.5 "), Hard drive interface: Serial ATA. Compatible operating systems: Windows 98/ME/2000/XP/Vista. Colour of product: Black. Dimensions (WxDxH): 101 x 26 x 135 mm, Weight: 0.25 kg. Material: Aluminium & Plastic