Hamlet HXD2CCUES. Size: 63.5 mm (2.5 "), Hard drive interface: IDE/ATA. Interface: eSATA, USB2.0, Cables included: USB eSATA. Compatible operating systems: Windows 98SE/ME/2000/XP/Vista Mac OSX 9+ Linux Kernel 2.4.18+. Colour of product: Black. Dimensions (WxDxH): 79 x 143 x 18 mm