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Rectangular metal power supply unit with rear fan grille and power socket

DELL

DELL X9072 280 W PFC power supply for OptiPlex 320

SKU CH-NDW7-Y7RR2

A 280 W internal power supply with PFC, single 12 V rail at 16 A, and 110/220 V AC input for OptiPlex 320 desktop and mini-tower systems

  • TypePower Supply
  • Reliable power for OptiPlex 320 systems with 280 W output
  • Stable dual-voltage input at 110 V AC and 220 V AC
  • Consistent 12 V DC delivery at 16 A for core components
  • Built-in active PFC corrects power factor automatically
  • Direct fit for OptiPlex 320 desktop and 320 mini-tower chassis

Dell X9072 280 W PFC power supply

The Dell X9072 is a 280 W power supply unit with active power factor correction built for the OptiPlex 320 desktop and 320 mini-tower systems. It replaces the original internal unit in those chassis and accepts 110 V AC or 220 V AC input. The single +12 V rail delivers up to 16 A alongside 3.3 V, 5 V and auxiliary rails. It is not suited for builds that need higher wattage or standard ATX mounting.

Thermals noise and power draw

The unit operates from a 110 V AC or 220 V AC mains supply and converts it to 3.3 V DC at 10 A, 5 V DC at 15 A, 12 V DC at 16 A, -12 V DC at 500 mA and 5 V standby at 2 A. With a single +12 V rail rated for 280 W total output, it runs within the thermal envelope Dell specified for the OptiPlex 320 platform. No independent noise or efficiency figures are provided in the specifications.

Build fit and cabling

This internal form-factor supply fits directly into the OptiPlex 320 desktop and 320 mini-tower cases using the proprietary mounting and connector layout Dell designed for those systems. It frees the builder from sourcing adapters for the motherboard and drive power leads found in the original chassis. Builders working with any other case or motherboard will find the pin-out and physical dimensions incompatible.

Highlights

  • Reliable power for OptiPlex 320 systems with 280 W output
  • Stable dual-voltage input at 110 V AC and 220 V AC
  • Consistent 12 V DC delivery at 16 A for core components
  • Built-in active PFC corrects power factor automatically
  • Direct fit for OptiPlex 320 desktop and 320 mini-tower chassis

Specifications

BrandDELL
TypePower Supply

Questions about this item

How do I install the X9072 280 W power supply into an OptiPlex 320 and what step is often missed?

Slide the internal form-factor unit into the chassis until it locks, then connect the main ATX and CPU power cables; the step often missed is seating the retaining latch fully so the supply cannot shift.

What maintenance or replacement will the X9072 need later?

The internal cooling fan is the only moving part; plan to clean dust from its intake vents periodically and replace the fan if bearing noise appears.

Which output limit appears first when the X9072 runs at full load continuously?

The single +12 V rail is rated at 16 A, so the 12 V current ceiling is reached before the 3.3 V 10 A or 5 V 15 A rails.

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