Description This is the LEFT side IO Circuit Board, sometimes called a databoard or daughterboard, for the Alienware m15 R4 laptop. This includes the one USB port, RJ-45 network port, and audio port. Compatible Dell Laptops/Notebooks:Alienware m15 R4 DPN: KP0CJ, 0KP0CJ alternate P/N’s:FDQ51LS-J522P Part Number KP0CJ Condition Refurbished Shipping Weight 0.2 lb(s). Item Category Circuit Boards