This is the Right side USB IO Circuit Board, sometimes called a databoard or daughterboard, for the Alienware m15 R3 laptop. This includes the on-board Killer 1650 WLAN card, two USB ports, and micro SD card sot
Compatible Dell Laptops/Notebooks:
Alienware m15 R3
DPN: 8G4J2
alternate Part Number's:
FDQ51
LS-J523P