Hot-swappable USB 2.0 connection, also compatible with USB 1.1 Aluminium casing for better heat dissipation Very compact design can be used \'standalone\' or in the LINDY Data Dock USB bus powered - the supplied dual USB cable allows for extra power from a second USB port Supplied with protective carry case Dimensions: 71 x 129 x 10mm Compatible with Windows 98SE/ME/2000/XP/Vista/7 and Mac OS 9.0 2 year warranty Important Information:Hard drive not included. This product supports hard drives up to 9.5mm high only.