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Rectangular metal PSU unit with fan grille and cable bundle

DELTA

DELTA H280P-00 280W power supply

SKU CH-84KQ-VS0XG MPN H280P-00

Replacement 280W ATX power supply with 24-pin motherboard, SATA, IDE, 4-pin +12V and floppy connectors for Dell OptiPlex and Dimension desktops

  • 280W output powers compatible Dell OptiPlex desktops
  • 24-pin ATX connector supplies motherboard power
  • 4-pin +12V connector feeds CPU power
  • Two SATA connectors support modern drives
  • Legacy IDE and floppy connectors included

Compatible Dell OptiPlex power supply

This 280W unit replaces the original power supply in several Dell OptiPlex desktops including the GX520, GX620, 330, 360, 755, 740, and 745 models. It also fits the Dimension C521. The part matches Dell numbers MH596, MC638, RT494, NH429, U9087, X9072, P9550, MH595 and F5114. It is a direct swap for ageing or failed OEM units.

Standard ATX and peripheral connectors

The supply provides a 24-pin ATX motherboard connector, a 4-pin ATX +12V connector, two SATA power connectors, one IDE power connector and one floppy drive connector. This combination supports the motherboard, processor, a pair of SATA drives and a legacy IDE or floppy device. No extra adapters are needed for a typical OptiPlex configuration of this era.

280W capacity for legacy desktop builds

The 280W rating covers the power draw of the supported OptiPlex and Dimension chassis with their original processors, memory and drive complements. It will not support modern high-wattage graphics cards or large drive arrays. Builders needing more headroom for upgrades should look for a higher-output replacement.

Puntos fuertes

  • 280W output powers compatible Dell OptiPlex desktops
  • 24-pin ATX connector supplies motherboard power
  • 4-pin +12V connector feeds CPU power
  • Two SATA connectors support modern drives
  • Legacy IDE and floppy connectors included

Especificaciones

ModelH280P-00

Preguntas sobre este artículo

How long will the 280W output hold up when the system runs at full load for hours?

The unit is rated for 280W continuous delivery; sustained full-load operation stays within that limit as long as case airflow keeps internal temperatures in check.

What noise and heat should I expect from the built-in fan during all-day use?

The internal fan spins to exhaust heat from the 280W supply; noise level rises with load but remains typical for a compact OEM chassis fan.

Which motherboard power connector must my board provide for this supply to work?

Your motherboard needs a 24-pin ATX socket plus a separate 4-pin ATX +12V connector to match the cables on this unit.

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