H.D.D. Support 2.5” / 3.5” Dual SATA Hard Discs Transfer Rate: USB 2.0 up to 480Mbps Dimension: 133 (W) x 123 (L) x 62 (H) mm Support OS: Windows 98SE/ME/2000/XP/Vista Mac OS 10x & Above H.D.D. Capacity: Up To 2TB Interface: USB 2.0 Weight: 2 lbs