the mainbaord have eight usb ports; four usb black jacks that integrated on the edge of the board, the other four usb ports on the board. they allows uses to attach with usb devices either from rear or front panels. please note that your operating system must support usb 1.1/2.0 features.

   

   

    the figure below is the pin assignments of the usb4/5 and usb6/7.