Akasa Integral NMAX. Size: 63.5 mm (2.5 "), Hard drive interface: Serial ATA. Interface: USB 2.0/1.1, SATA I, II, IDE. Compatible operating systems: Win 2000/XP/Vista Mac Os 9. Colour of product: Black. Dimensions (WxDxH): 161 x 83 x 20.6 mm, Depth: 9.5 mm