This is the IO Circuit Board, sometimes called a Databoard, this houses a single USB Port and the SD Card Reader slot; that connects to the XPS 15 (9530) Motherboard. This I/O board is compatible with 9530 systems that do NOT have a fingerprint reader.
Compatible Part #'s: VAUB0, LS-9941P
Alternate P/N's: 07DF4, 007DF4
Compatible Dell Laptops/Notebooks:
XPS 15 9530 Series
Precision M3800 Series
What's in the box
1x USB SD Card Reader Board