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Rectangular metal Dell power supply unit with side fan grille and two proprietary connectors

DELL

DELL 180W proprietary power supply 12V 8-pin 4V 4-pin

SKU CH-X13B-T6H84

Proprietary 180 W power supply with 12 V 8-pin and 4 V 4-pin connectors for Dell Optiplex 3040, 5040, 7040, Inspiron 3650, 3656 and Precision 3420

  • Product typeProprietary Power Supply
  • 180 W output powers OptiPlex 3040, 5040 and 7040 desktops
  • 12 V 8-pin and 4 V 4-pin connectors match original Dell wiring
  • Proprietary form factor fits Inspiron 3650 and 3656 chassis
  • Compatible with Precision 3420 workstations using part numbers 9XD51, D180ES-00, GYC55
  • Brand-new unit sourced from new systems or unused old stock

Dell 180W proprietary power supply

This proprietary Dell power supply delivers 180W through a 12V 8-pin connector and a 4V 4-pin connector. It is designed for specific Dell Optiplex 3040, 5040 and 7040 desktops as well as Inspiron 3650, 3656 and Precision 3420 systems.

Verify part number and wattage before ordering

Some listed models shipped with higher-wattage units. Confirm the part number on your existing supply matches one of the compatible codes such as 9XD51, D180ES-00 or GYC55 and ensure the label reads 180W to avoid a mismatch.

Steady 180W output under continuous load

The unit maintains its rated 180W during sustained operation rather than only in short bursts. The dual-rail design with 12V 8-pin and 4V 4-pin connections provides stable power to the motherboard and peripherals throughout extended work sessions.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $44.99
Cheaper than about 92% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Brand nameDELL
Product typeProprietary Power Supply

Questions about this item

Does this 180W Dell supply include the 12V 8-pin and 4V 4-pin cables, or must I buy them separately?

The unit ships with both the 12V 8-pin and the 4V 4-pin connectors already attached; no extra cables are required.

How do I know whether my Optiplex 7040 needs this 180W version or a higher-wattage model?

Check the part number and wattage printed on your existing supply; some 7040 units shipped with a larger unit, so match the label before ordering.

What does the 180W rating mean once the supply is installed in a Precision 3420?

It delivers up to 180 watts total across the 12V 8-pin and 4V 4-pin rails, limiting the system to components that stay within that power budget.

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