Dynamode USB2.0 Hub. Data transfer rate: 12 Mbit/s. Interface: USB 1.1, Dimensions (WxDxH): 106 x 34 x 16.8 mm, Power requirements: 5V, 2.5A. Minimum system requirements: -USB, Compatible operating systems: -Windows98/SE/ME/2000/XP -Mac OS 8.6