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Black rectangular Dell 265W PSU for OptiPlex 390 790 990 Mini Tower

DELL

DELL Yc7tr 265W Power Supply for OptiPlex 390 790 990 Mini Tower

SKU CH-13Q3-WF92P

265-watt replacement unit for OptiPlex 390, 790 and 990 mini-tower desktops

  • 265 W output powers OptiPlex mini-towers reliably
  • Compatible with OptiPlex 390, 790 and 990 models
  • Genuine Dell part ensures correct fit and function
  • New unit ready for immediate installation

Dell 265W PSU for OptiPlex Mini Towers

This genuine Dell power supply delivers 265 watts to OptiPlex 390, 790 and 990 mini-tower chassis. It replaces the original unit directly and restores reliable power to compatible business desktops.

Capacity and headroom

The 265 W rating supports the standard components shipped in these OptiPlex models. It will not sustain heavy GPU upgrades or high-wattage CPU configurations that exceed the factory design envelope.

How it compares

Measured against everything we stock in Server & Hot-Plug PSUs, at today’s prices. Recalculated every night.

Price $52.99
Cheaper than about 86% of the 3,798 comparable items (median $131.99).

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Specifications

Product
Brand nameDELL

Questions about this item

Will the 265W unit fit the OptiPlex 390 mini tower I already own?

The supply is built for the OptiPlex 390 790 990 Mini Tower chassis, so it matches the mounting points and power connectors of your 390.

How can I confirm the 265W supply is running correctly once installed?

The system should power on without shutdowns, the fan should spin quietly, and the motherboard LEDs should show stable power delivery.

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