Handle your workload more efficiently this usb 30 card expands your computer39s capabilities by giving you seven extra usb 30 ports it39s engineered with an innovative stacked port layout to fit easily into both low profile and standard desktop computers more ports means you can add usb devices as you need them this robust usb 30 card gives you seven usb 30 ports six external and one internal so you can plug in your tablets smartphones external hard drives cddvd drives printer and other