1. An effective solution to the motherboard PCI-E interface is not enough, an interface can be extended out of 2-port usb3.0 2. The use of plug-in design, without extension cable directly into the motherboard interface, and can be fixed to the chassis, the stability and reliability greatly improved! 3. The main control board adopts PCI-E interface direct power supply mode, no need to external power cord, so that the main control board power from outside interference, higher stability! 4. Reduce the number of adapter and adapter cable, a line directly to the interface, effectively reduce the interface interference and wire loss, to data reliability, thereby improving work efficiency! Bus port: PCI-E 1X Number of ports: 2 * USB 3.0 Type: PCI-E Adapter Card Name: PCIE 1 TO 2 Port USB3.0 Riser Card Interface Type:PCI Express Interface Type:USB color:Blue + silver Material:PCB+Metal Package Contents: 1 x 1 to 2 PCI-E Adapter Card Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.