Kingwin EZ-dock. Supported hard disk drive interfaces: Serial ATA, Supported hard disk drive sizes: 63.5, 88.9 mm (2.5, 3.5 "). Dimensions (WxDxH): 133 x 123 x 62 mm, Interface: USB/eSATA, Compatible operating systems: Windows 98SE/ME/2000/XP/Vista/7 Mac OS 10X+