Alienware m15 R6 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 R6

DPN: HPNMR

alternate part numbers:
Board DPart Number: G2HCR
Cable DPart Number: 16Y4V
GDP50
LS-K792P