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Internal power cable with black connectors and sleeved wires

Ruth's sister

Ruth's sister internal power cable 50 637

SKU CH-RKZX-C4N0T

Connects an Optiplex SFF CPU heatsink fan assembly to the motherboard for reliable cooling power

  • Designed for Optiplex SFF CPU heatsink fan assembly
  • Matches part numbers J50GH, CN-0J50GH, CN-0637NC, 637NC
  • New condition ensures reliable cooling performance
  • Internal power cable for CPU cooler heat sink

CPU Heatsink Fan Assembly for Optiplex SFF

This internal power cable connects a CPU heatsink and fan assembly inside Dell Optiplex small-form-factor systems. It is built for technicians or owners replacing the original cooling hardware in compatible chassis.

Part numbers J50GH CN-0J50GH CN-0637NC 637NC

The cable fits the specific heatsink fan assemblies identified by the listed part numbers. It will not work with full-size tower models or with coolers that use a different connector pin-out.

How it compares

Measured against everything we stock in Internal PSU & Riser Cables, at today’s prices. Recalculated every night.

Price $41.99
Pricier than about 80% of the 7,839 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Will the 50 637 cable connect the J50GH heatsink fan to my Optiplex SFF motherboard?

Yes, this internal power cable is built for the Optiplex SFF CPU heatsink fan assembly J50GH and matches the CN-0J50GH and CN-0637NC part numbers.

How can I confirm the 50 637 cable is seated correctly after installation?

The fan should spin smoothly at startup and the system should report normal CPU temperatures without fan-error warnings.

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