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Small black rectangular power supply unit with 8-pin connector

DELL

DELL M178R Optiplex 780 180W 8-Pin USFF Power Supply

SKU CH-CAWN-PBKY8

180 W ATX 12V power supply for Dell Optiplex 780 USFF desktops with 8-pin connector

  • Max wattage180 W
  • Product typeATX 12 V
  • Product weight4
  • 180 W output powers compact Dell OptiPlex 780 builds
  • ATX 12V standard ensures reliable voltage delivery
  • 8-pin connector fits USFF chassis without adapters
  • New unit replaces worn supplies for stable operation

Dell Optiplex 780 USFF power supply

This new Dell M178R unit is a 180 W ATX 12V power supply built for the Optiplex 780 ultra-small-form-factor desktop. It delivers 180 watts through an 8-pin connector and weighs 4 units.

Limits of the 180 W design

The 180 watt ceiling and proprietary 8-pin connector restrict use to the original USFF chassis. Builders who need more power or standard ATX pin-outs should look elsewhere.

How it compares

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

Price $39.99
Cheaper than about 93% of the 10,869 comparable items (median $142.99).
Max wattage 180 W
Lower than about 97% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameDELL
Product typeATX 12 V
Power
Max wattage180 W

Questions about this item

How can I confirm the 180 W Dell M178R power supply is operating correctly after installation?

The system should power on and run stably under load with no unexpected shutdowns, indicating the 180 W unit is delivering power as intended.

What comes with the Dell M178R 180 W USFF power supply and what must be sourced separately?

The package includes the M178R power supply unit with its 8-pin connector; mounting screws and any adapter cables for non-standard motherboards are not included.

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