Hamlet 2.5" SATA-II. Size: 63.5 mm (2.5 "), Hard drive interface: Serial ATA, Serial ATA II. Cables included: USB. Compatible operating systems: Windows 2000 Windows XP Windows Vista Windows 7 Mac OS 9 Linux kernel 2.6.31. Colour of product: Blue, Grey. Width: 132 mm, Depth: 79 mm, Height: 15 mm