Alienware KB palmrest junction board- this is the keyboard controller board, often referred to as the keyboard MCU (micro controller unit) board, this also acts as a junction board connecting the keyboard to the motherboard.
Compatible Dell Laptops:
Alienware m15 Ryzen Edition R5
Alienware m15 R7
Alienware m15 R7 AMD
Alienware m17 R5 AMD
DPN: Y33PF
alternate part numbers:
GDP50
LS-K666P