... , you can expand four USB3.0 interfaces. Except providing up to 5Gbps transfer rate, the built-in current protection devices can ... ports USB3.0 plug and play, easy to carryUSB3.0 transfer rate up to 5Gbps, downward compatible with USB1.0/2.0Power ... /4A outputLED indicator: Blue shines constantly for power, blue for USB statusBuilt-in current protection devices effectively protect the connected devices ...