Tek Republic TUH-300 USB 3.0 4 Port Portable Hub Adds 4 additional USB 3.0 ports to your PC, Laptops and tablet SuperSpeed USB 3.0 Providing data rates of up to 5Gbps - 10 times faster than USB 2.0 Backwards compatible with USB 2.0 and 1.1 Lightweight & Portable; Powered directly from the USB port Compatible with Windows XP, Vista,7/8 and Mac OS X v10.3.9 or later