With this PCI Express controller card you easily add 2 extra super speed USB ports to your desktop computer and upgrade the dataspeed to 5 Gb/s! The P00054 has a maximum dataspeed of 5 Gbs, which makes it very fast to copy very large files or documents to and from your desktop computer. You simply place this USB 3.0 PCI Express controller card in the PCI-e slot of your computer, install the included drivers and ready you are!