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Grey ATX power supply unit with single fan

Replace Power

Replace Power AP-MPS3ATX30-22 300W ATX power supply

SKU CH-R2DC-0YGHF MPN AP-MPS3ATX30-22

300W ATX power supply with 20+4-pin, 4-pin CPU, three SATA, two peripheral and one floppy connector

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight0.1
  • 300W steady power for reliable PC operation
  • Direct replacement for Bestec ATX0300D5WB Rev A00
  • High efficiency with low ripple and noise
  • Over-voltage protection safeguards connected components
  • Full connector set including 20+4-pin ATX, 4-pin ATX12V, SATA, peripheral and floppy

Direct replacement for Bestec ATX0300D5WB Rev A00

This Replace Power AP-MPS3ATX30-22 is a 300W ATX power supply built to replace the Bestec ATX0300D5WB Rev A00. It fits Dell, HP and other compatible desktop systems that originally used that unit. The grey enclosure weighs 0.1 and uses a single fan for cooling. It delivers steady power for a replacement or a new build.

Connector mix supports legacy and current drives

The bundle includes one 20+4-Pin ATX connector, one 4-Pin ATX12V connector, two Peripheral power connectors, one Floppy drive connector and three SATA power connectors. This combination lets you power a modern motherboard while still supporting older IDE devices and floppy drives. High efficiency and low ripple and noise keep voltages stable across all rails.

Grey ATX chassis with single-fan cooling

The unit follows the standard ATX form factor and uses one fan to move air through the grey housing. Output over-voltage protection guards connected components. The supplied connector set means you can wire a typical desktop without adapters, and the lightweight design eases installation in tight cases.

Pontos fortes

  • 300W steady power for reliable PC operation
  • Direct replacement for Bestec ATX0300D5WB Rev A00
  • High efficiency with low ripple and noise
  • Over-voltage protection safeguards connected components
  • Full connector set including 20+4-pin ATX, 4-pin ATX12V, SATA, peripheral and floppy

Especificações

BrandReplace Power
ModelAP-MPS3ATX30-22
ColorGrey
TypeATX
Fans1
Weight0.1

Perguntas sobre este artigo

Will the single internal fan need replacement after extended use?

The unit uses one internal fan for cooling; fan lifespan depends on operating conditions and dust levels, so periodic inspection is recommended.

What limits continuous output when the supply runs at full load?

The 300 W rating is the maximum sustained power the unit is designed to deliver across all rails combined.

How much heat and noise should I expect during all‑day operation?

One fan handles thermal management; noise and heat output will vary with load and case airflow, but the design targets low ripple and noise.

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