4>USB Header to the USB cable exits through the PCI opening and is plugged into one of the USB ports located at the back of the PC You can also connect this cable to the internal port (Mini USB female) of the PCI USB card, or USB firewire combo card. 5>1x5 pin female USB header connector with 1"/2.54mm pitch It's compatible with Mini USB (high-speed). 6>USB Header to USB Mini Cable suitable for extending any USB device.