Add four usb 30 ports three external ports and one internal port to your computer heres a cost effective solution for adding usb 30 connectivity to your computer this 4 port pcie usb 30 card gives you three external ports and one internal port for the ultimate connection flexibility with three external usb 30 ports you can connect more devices to your computer the card provides easy access to commonly used peripherals such as your tablet and external hard drive it also features