This is the Audio Port IO Circuit Board / Cable, for the Alienware x14 R1. This houses the Universal audio jack at the rear of the laptop- for connecting headphones or a headset (headphone and microphone combo).
Compatible Dell Laptops:
Alienware x14
DPN: TVVX8
alt Part Number's:
HDS41_AUDIO_CABLE_ASSY
DC02C00ZP00