Built-in A-level voltage stabilizing components, enhance the protection of power supply voltage stability, intelligent and fast, reduce power loss, ensure high-speed and stable data transmission. Extends USB3.0 interface on PC with PCI-Express slot. USB 3.0 output ensures fast transfer rate up to 5Gbps that is much higher than USB2.0. Comply with USB3.0 interface specification, compatible with USB 2.0, 1.1. Adopt VL805 USB3.0 main control chip, it has better stability and compatibility than ordinary chips.