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Rectangular silver ATX power supply unit with rear fan grille and side label

godream

godream 300W power supply for Dell 390 790 990

SKU CH-K7PG-HPY38

300 W ATX power supply compatible with Dell 390, 790 and 990 systems

  • TypeATX
  • Direct replacement for Dell 390 790 990 systems
  • 300W output matches original L300PM-00 D300EM-01 specifications
  • ATX form factor fits standard chassis dimensions
  • Supports multiple OEM part numbers including HU300PM-03 HU300AM-00

Compatible replacement PSU for Dell OptiPlex towers

This 300W ATX power supply replaces the original unit in Dell OptiPlex 390, 790 and 990 systems. It matches the form factor and connector layout used by those models. The unit is new and ready for installation. It restores reliable power to ageing workstations.

Direct match for listed Dell part numbers

The supply crosses to Dell part numbers L300PM-00, D300EM-01, HU300PM-03, HU300AM-00, B300PM-02, D300PD-00 and HK400-14FP. Builders who need a different wattage or a non-Dell pinout should choose another unit.

Highlights

  • Direct replacement for Dell 390 790 990 systems
  • 300W output matches original L300PM-00 D300EM-01 specifications
  • ATX form factor fits standard chassis dimensions
  • Supports multiple OEM part numbers including HU300PM-03 HU300AM-00

Specifications

TypeATX

Questions about this item

What does the 300 W rating mean for a Dell 390 790 990 system?

It indicates the maximum continuous power the unit can deliver to the motherboard, drives and expansion cards in those Dell models.

What does the ATX type determine for this replacement PSU?

It confirms the physical dimensions, mounting holes and main power connector match the Dell 390 790 990 chassis and motherboard.

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