Add four USB 2.0 Ports to the back of your computer. The USBPLATE4 4 port USB 2.0 slot plate adapter converts the USB pins on your motherboard into four USB-A female ports, enabling you to add USB connections to the back of your PC. The USBPLATE4 is designed and constructed for maximum durability, to ensure dependable performance. Check your motherboard\'s manual for the USB pinout diagram. The USBPLATE wiring scheme is: Red=Power, Green=Signal, White=Signal, Black=Ground.