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Grey ATX power supply unit with single fan and multiple cable connectors

Replace Power

Replace Power RPSU-C99-58 420W ATX power supply

SKU CH-MSN8-EJ8KB MPN RPSU-C99-58

420W ATX replacement supply with 20+4 pin, SATA and peripheral connectors for select eMachines desktops

  • Fan configuration1
  • Product colorGrey
  • Product typeATX
  • Product weight0.1
  • Reliable 420W output powers eMachines T3265 T3302 T3304 T3124 T3256 T3395 systems
  • Flexible 20+4 pin ATX connector fits both 20-pin and 24-pin motherboards
  • Dedicated 12V ATX connector ensures stable CPU power delivery
  • Single 80mm fan provides cooling for continuous operation
  • Switchable 110V/220V input supports worldwide voltage standards

Replacement PSU for eMachines desktops

The Replace Power RPSU-C99-58 is a 420W ATX power supply built to replace the original unit in eMachines T3265 T3302 T3304 T3124 T3256 T3395 systems. It fits standard ATX cases and delivers the connectors those chassis expect.

Thermals noise and power draw

An 80mm fan provides the cooling airflow while the unit draws from a switchable 110V or 220V input. The grey enclosure weighs .1 and runs at the rated 420W capacity under normal desktop loads.

Connector kit for legacy builds

The bundle includes one 15-inch SATA connector, one 14-inch 20+4 pin ATX connector, one 14-inch 12V ATX connector, two 15-inch large peripheral connectors, two 6-inch large peripheral connectors and one 6-inch small peripheral connector.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $60.99
Cheaper than about 85% of the 10,869 comparable items (median $142.99).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameReplace Power
Model nameRPSU-C99-58
Product colorGrey
Product typeATX
More details
Fan configuration1

Questions about this item

How do I install the ATX power connector that supports both 20-pin and 24-pin configurations?

Align the 20+4 ATX connector with the motherboard socket, press firmly until the latch clicks, and ensure the extra 4-pin segment is fully seated if your board uses 24 pins.

What maintenance will the 80mm cooling fan need later?

Clean dust from the 80mm fan blades and grille every six months using compressed air to maintain airflow and prevent overheating.

What limit appears first when running the 420W unit continuously at full load?

The 420W maximum output is the first limit; sustained loads above this rating will trigger the protection circuit and shut the unit down.

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