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Dell OptiPlex 5040 7040 180W 8-pin power supply unit

DELL

DELL 20WFG OptiPlex 5040/7040 180W 8-Pin Power Supply

SKU CH-AHS0-TJEAH

An 180 W desktop power supply for OptiPlex 5040 and 7040 small-form-factor PCs, using an 8-pin connector

  • TypeDesktop Power Supply
  • Maximum Power180 W
  • Fans1 Fan
  • ModularNo
  • Weight4
  • 180 W output powers OptiPlex 5040 and 7040 SFF systems
  • 8-pin connector matches Dell proprietary motherboard layout
  • Single fan cools the unit inside compact chassis
  • Non-modular design keeps cabling simple for small-form-factor builds
  • Genuine Dell 20WFG part ensures exact fit and electrical compatibility

Dell 20WFG 180W 8-Pin Power Supply

This Dell 20WFG unit is a 180 watt desktop power supply designed for OptiPlex 5040 and 7040 small form factor systems. It delivers fixed cabling through an 8-pin connector to the motherboard. The unit is new and includes a single cooling fan. Buyers needing higher wattage or modular cables for custom builds should look elsewhere.

Build fit for OptiPlex 5040 and 7040 SFF

The power supply fits directly into the OptiPlex 5040 and 7040 small form factor chassis using the native 8-pin interface. Its non-modular design means all cables are permanently attached, reducing loose wiring inside the compact case. The single fan draws air through the unit to exhaust heat out the rear. Systems requiring standard ATX 24-pin or additional PCIe power connectors cannot use this unit.

Sustained load behaviour with single fan cooling

Under continuous load the single fan maintains airflow across internal components up to the rated 180 watt maximum. Fixed cable routing keeps impedance consistent during extended operation. The compact SFF form factor limits thermal mass, so prolonged peak output relies on case ventilation to prevent heat buildup. Workloads demanding sustained draws above 180 watts will exceed this unit's capacity.

Puntos fuertes

  • 180 W output powers OptiPlex 5040 and 7040 SFF systems
  • 8-pin connector matches Dell proprietary motherboard layout
  • Single fan cools the unit inside compact chassis
  • Non-modular design keeps cabling simple for small-form-factor builds
  • Genuine Dell 20WFG part ensures exact fit and electrical compatibility

Especificaciones

BrandDELL
TypeDesktop Power Supply
Maximum Power180 W
Fans1 Fan
ModularNo
Weight4

Preguntas sobre este artículo

Does the 180 W rating stay stable when the OptiPlex 5040 or 7040 runs full load for hours?

The unit is rated at 180 W maximum output; sustained loads at that level are within its design specification.

How loud or hot does the single fan get during all-day operation?

One internal fan provides cooling; noise and temperature rise depend on case airflow and ambient conditions.

Which cables must already be present in the chassis for this 20WFG supply to connect?

The 8-pin connector mates with the OptiPlex 5040/7040 motherboard; no modular cables are included.

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