Genuine Dell OEM IO Circuit Board, sometimes called a Databoard or Daughterboard- this houses one USB port and one SD Card Reader Slot- compatible with the G Series G5 5590 and G Series G7 7790 laptops.
Compatible Dell Laptops/Notebooks:
G Series G7 7790
G Series G5 5590
DPN: 4DDHW
alternate Part Number's: