The pexusb7lp low profile pcie usb 20 adapter card offers a cost effective way to add seven usb 20 ports to a small form factor computer for enhanced versatility and performance the card adds 6 external usb 20 slots and 1 internal usb 20 header port with support for high speed usb 20 data transfer rates of up to 480 mbps to help save time this versatile pcie usb card includes whql certified drivers and easy plug and play installation capable of adapting to virtually any pc case form fa