The number of USB products continues to grow. This includes web cameras, Internet telephones, printers and mice, etc. In order to be able to connect all these products to your desktop PC simultaneously, you need a sufficient number of USB ports.4 Port USB 3.0 PCI Card is the ideal solution for this! This product ensures you have four external USB ports at your disposal, enabling you to connect USB devices in no time at all. You can then start working immediately. As a precaution, each port features short-circuit protection and excess current detection.