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Grey ATX power supply unit with single fan visible

Replace Power

Replace Power RPSU-C99-51 420W ATX power supply

SKU CH-3XZP-AFFHQ MPN RPSU-C99-51

A 420W ATX power supply with 20+4 pin, SATA and peripheral connectors for eMachines W5233, W3623, W4885, W3622, W3107 and W3105 systems

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight0.1
  • 420W output powers compatible eMachines desktops
  • Switchable 110V and 220V input suits global mains
  • 80mm fan cools the unit quietly
  • 20+4 pin ATX connector fits 20-pin and 24-pin boards
  • SATA and Molex leads cover drives and peripherals

Replacement PSU for eMachines desktops

This 420W ATX unit replaces the original supply in eMachines W5233, W3623, W4885, W3622, W3107 and W3105 systems. It accepts 110V or 220V input via a manual switch. The grey chassis houses a single 80mm fan for airflow. Builders needing higher wattage or modular cables should look elsewhere.

Thermals, noise and power draw

The 80mm fan moves air through the grey enclosure while delivering up to 420W. Acoustic output will vary with load and case ventilation. The supply draws either 110V or 220V depending on the switch position. No efficiency rating or fan-curve data is provided by the manufacturer.

Bundled connectors and their impact

Included cables provide one 15-inch SATA lead, one 14-inch 20+4 pin ATX lead, one 14-inch 12V ATX lead, two 15-inch large peripheral leads, two 6-inch large peripheral leads and one 6-inch small peripheral lead. These cover SATA drives, motherboard power and legacy Molex or floppy devices without adapters.

Pontos fortes

  • 420W output powers compatible eMachines desktops
  • Switchable 110V and 220V input suits global mains
  • 80mm fan cools the unit quietly
  • 20+4 pin ATX connector fits 20-pin and 24-pin boards
  • SATA and Molex leads cover drives and peripherals

Especificações

BrandReplace Power
ModelRPSU-C99-51
ColorGrey
TypeATX
Fans1
Weight0.1

Perguntas sobre este artigo

How do I install the RPSU-C99-51 and which cable routing step is often missed?

Mount the grey ATX unit with four screws, flip the 110V/220V switch to match local mains, then connect the 20+4 pin motherboard plug, the 12V ATX plug, the single SATA lead, two large Molex leads and the small floppy lead; the step most builders skip is seating the 12V ATX connector near the CPU socket.

What maintenance or replacement will the RPSU-C99-51 need over time?

The single 80 mm fan is the only moving part; clean dust from its grille every six to twelve months with compressed air, and replace the whole unit if voltages drift or the fan becomes noisy.

What limit appears first when the RPSU-C99-51 runs at full load for long periods?

The 420 W total output ceiling is reached before any single rail limit, so sustained draws near that level will trigger over-power protection and shut the unit down.

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