Add front or rear panel usb 30 ports to your computer case using usb 30 motherboard style headers this pci express usb 30 card offers a cost effective upgrade that lets you add four usb 30 ports to your computer through a pcie slot it offers two external ports plus two internal usb 30 headers to help adapt your desktop or server to support a variety of usb 30 devices with extra motherboard style usb 30 headers you have the flexibility to add more internal usb 30 devices to your pc