Azend ME-601S. AC input voltage: 100-240 V, Output voltage: 12 V, Output current: 3 A. Weight: 0.635 kg. Supported hard disk drive interfaces: Serial ATA, Serial ATA II, Supported hard disk drive sizes: 63.5, 88.9 mm (2.5, 3.5 "). Cables included: USB. Compatible operating systems: Windows 98SE / ME / 2000 / XP / Vista, MAC OS 9.0, Package dimensions (W x D x H): 136.1 x 83.1 x 74.2 mm (5.36 x 3.27 x 2.92 ")