Evolution USB Hub 4-Port 3.0 Super Speed with Individual Power Port Black Capable of transferring data up to 5Gbit/s, backwards compatible with USB 2.0 (up to 480 Mbit/s) and USB 1.1 (12 Mbit/s) Bus-powered with 4 downstream (USB 3.0 A-type) ports and 1 upstream port. Plug and play device. No drivers needed for Windows Me/2000/XP/Vista/NT/7/8, Mac OS and Linux. 18 months manufacturer's warranty.