TooQ TQE-2516G. Size: 63.5 mm (2.5 "), Hard drive interface: Serial ATA, Serial ATA II, Serial ATA III. Cables included: USB. Compatible operating systems: Windows 98/2000/XP/Vista/7 Mac 9.x Linux Ubuntu. Colour of product: Grey. Weight: 50 g, Width: 77 mm, Depth: 127 mm