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Thin flat ribbon cable with connectors at each end

DELL

DELL XPS 9500 Precision 5550 Fingerprint Reader Ribbon Cable PRPHY

SKU CH-JX4M-CSZX5

Genuine Dell OEM ribbon cable connecting the fingerprint reader board to the motherboard on XPS 15 9500 and Precision 5550 laptops

  • Genuine Dell OEM part ensures exact fit
  • Connects fingerprint reader board to motherboard
  • Compatible with XPS 15 9500 and Precision 5550
  • Part number PRPHY matches original specification
  • Replaces alternate part numbers FDQ50 and NBX0002L900

Genuine Dell Fingerprint Cable

This genuine Dell OEM ribbon cable connects the fingerprint reader junction board to the motherboard in XPS 15 9500 and Precision 5550 laptops. It restores biometric login functionality when the original flex cable is damaged or disconnected.

Dell Part Number PRPHY

The critical specification is the Dell part number PRPHY, also referenced as FDQ50 and NBX0002L900. Only this exact part number guarantees the correct pinout and length for the XPS 9500 and Precision 5550 fingerprint reader assembly.

Reliable Signal Transmission

The cable maintains consistent electrical continuity for fingerprint sensor data during repeated laptop open and close cycles. Its flexible construction withstands daily hinge movement without signal degradation that would disable Windows Hello authentication.

How it compares

Measured against everything we stock in Cable Locks & Laptop Extras, at today’s prices. Recalculated every night.

Price $3.99
Cheaper than about 93% of the 8,808 comparable items (median $16.99).

Specifications

Product
Brand nameDell

Questions about this item

How does this PRPHY ribbon cable function once installed in an XPS 9500?

It carries the fingerprint reader signal from the junction board to the motherboard, letting Windows Hello recognise your finger on compatible XPS 15 9500 and Precision 5550 units.

What connector standard does the PRPHY cable use and what does it limit?

The cable uses the proprietary Dell fingerprint reader connector keyed for XPS 9500 and Precision 5550, so it only fits those models.

What physical space and mounting points does the PRPHY cable need inside the laptop?

It routes between the fingerprint reader junction board and the motherboard inside the XPS 15 9500 or Precision 5550 chassis, using the existing board-to-board connectors.

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