Add 4 super speed usb 3 0 ports to a computer through a pci slot compatible with dell opti plex 7010 hp compaq dc7800 4 port pci usb 3 0 adapter card pci usb 3 0 card adapter pci usb 3 0 controller sata powered pci usb 3 0 card usb 3 0 expansion card add quad usb 3 0 ports to a desktop pc connect usb 3 0 peripherals to a legacy pc through a pci slot standard and low profile usb 3 0 pci x card optional sata power for high power usb 3 0 devices such as external hard drives