Etekcity USB 3.0 4 Port Portable Aluminum Hub (11 inch Cable) with Hot Swap, High Speed 5Gbps (1-Year Warranty) for Windows, Vista, Mac Os and More Fast Transfer: High speed 5Gbps transfer rate. Apple-style aluminum finish with quick expansion connect up to 4 USB 3.0 devices Support hot swapping, plug and play; built-in surge protection Backwards Compatible with USB 1.1 and 2.0 devices No drivers required on Microsoft windows XP/Vista7/8&MAC 9.1above/10.2 above; 1-year warranty