Kingwin 2-Port USB 3.0 PCI-Express Controller Card for Free after Rebate

Running out of USB port? Add additional USB ports with the Kingwin 2 Port PCI-Express 3.0 USB Controller Card. This controller card lets you add 2 more USB port which is downward compatible with 2.0 or 3.0 USB. So next time when you need more USB ports, try the Kingwin 2 Port PCI-Express 3.0 USB Controller Card and get more ports for your pc system.