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Grey ATX power supply unit with single fan and standard connectors

Replace Power

Replace Power AP-MPS3ATX30-6 300W ATX power supply

SKU CH-QRP2-RYMAB MPN AP-MPS3ATX30-6

300W ATX replacement unit with a single fan, 20+4-pin ATX, 4-pin ATX12V, two peripheral, one floppy and three SATA power connectors

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight0.1
  • Delivers 300W steady power for reliable Dell desktop operation
  • Single fan keeps temperatures controlled inside compact grey ATX chassis
  • Complete connector set includes 20+4-pin ATX, 4-pin CPU, three SATA, two peripheral and one floppy
  • High-efficiency design with low ripple and noise protects sensitive components
  • Output over-voltage protection safeguards hardware from unexpected power spikes

300W ATX Replacement Unit

This 300W ATX power supply replaces Dell L305N-00, L305P-00, L350N-00 and H305P-02 units. It fits standard ATX chassis and delivers 300W of steady power for desktop repairs or basic builds. The grey unit weighs 0.1 and includes a single fan for airflow.

Sustained Load Behaviour

The unit provides high efficiency with low ripple and noise during continuous operation. Output over-voltage protection guards connected components if the load shifts unexpectedly. A single fan manages thermal output across the 300W rating without additional cooling features mentioned.

Installation Notes

The connector set includes one 20+4-pin ATX, one 4-pin ATX12V, two peripheral, one floppy and three SATA power connectors. Builders needing more SATA or modern GPU power cables will find the harness insufficient. Dell proprietary pin-outs on some models may require verification before fitting.

Pontos fortes

  • Delivers 300W steady power for reliable Dell desktop operation
  • Single fan keeps temperatures controlled inside compact grey ATX chassis
  • Complete connector set includes 20+4-pin ATX, 4-pin CPU, three SATA, two peripheral and one floppy
  • High-efficiency design with low ripple and noise protects sensitive components
  • Output over-voltage protection safeguards hardware from unexpected power spikes

Especificações

BrandReplace Power
ModelAP-MPS3ATX30-6
ColorGrey
TypeATX
Fans1
Weight0.1

Perguntas sobre este artigo

How much noise and heat does the 300W ATX unit produce when running continuously?

It uses a single fan for cooling and weighs only 0.1 kg, so acoustic output and thermal load remain low during all-day operation.

Which existing cables or components must I already have to install this supply?

Your motherboard needs a 20+4-pin ATX socket and a 4-pin ATX12V socket; drives require SATA, peripheral or floppy power plugs matching the unit's connectors.

Will the grey ATX supply work reliably with older Dell L305N-00, L305P-00, L350N-00 or H305P-02 systems?

Yes, it is built as a direct 300W replacement for those exact Dell part numbers and fits standard ATX chassis used in those models.

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