Best solution for expansion need. USB3.0 provides super speed data transfer rate up to 5GBPS. Plug and play, without complicated driver installation. Compatible with USB2.0 / 1.1. UNITEK USB3.0 4-Port Hub-Y-3089 With an optional power port (Micro USB). By connecting to external power supply, it can supply power to peripheral devices. Designed and manufactured with BC1.2 charging technology. It Support Windows 7/8/8.1/10 (32/64bit), Mac OS 10.x or higher version operation system.