This is PCI-express to USB 3.0 Expansion Card, extend 2 USB 3.0 interfaces on PC with PCI-Express slot for high-speed data transmission,Much higher than USB2.0's 480MB /s,Up to 10 times faster.

* This product Compatible with all motherboards with PCIE x16/x8/x4/x1 interface, Max transmission rate of USB3.0 is 5Gbps, Transmission rate: 5,000/480/12/1.5Mbps,can provide higtest 5v 900mA power supply for external equipment output.

* This product adopts the main control chip: VAI VL805, which conforms to USB3.0 Superspeed version 1.0, XHCI version 0.95, and is compatible with USB2.,USB1.1 and USB1.0.

* PCI-E to 2 x USB 3.0Expansion Card Port .

* Power is supplied by 4pin port,12V, which is the common power supply interface of the main engine.

* Support HOT PLUG, plug and play, allow you to connect/disconnect the device without turning off the system power.