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Grey ATX power supply unit with single cooling fan

Replace Power

Replace Power RPSU-C99-23 power supply 420W ATX

SKU CH-D6X4-2PY7M MPN RPSU-C99-23

A 420W ATX power supply with one 80mm fan and SATA, 20+4 pin ATX, 12V ATX, Molex and floppy connectors for compatible HP Pavilion desktops

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight0.1
  • 420W output powers compatible HP Pavilion desktops
  • 110V/220V switchable input suits worldwide mains voltages
  • 20+4 pin ATX connector fits both 20-pin and 24-pin motherboards
  • 80mm fan provides active cooling for stable operation
  • Multiple SATA and Molex connectors support drives and peripherals

Replacement PSU for HP Pavilion 420W

This 420 watt ATX power supply replaces the original unit in HP Pavilion a1657c a1677c a1700la a1700n a1705la a1710n a1712n desktops. It accepts 110V or 220V input via a manual switch. A single 80mm fan provides cooling. The grey chassis fits the standard ATX form factor.

Connector kit for legacy and current drives

The bundle includes a 15-inch SATA connector for modern drives and a 14-inch 20+4 pin ATX connector that works with both 20-pin and 24-pin motherboards. A 14-inch 12V ATX plug two 15-inch large peripheral connectors two 6-inch large peripheral connectors and one 6-inch small peripheral connector cover older IDE and floppy devices.

Suits owners restoring listed Pavilion models

Builders repairing the exact HP Pavilion models listed will find every required plug in the box. Systems needing higher wattage modular cabling or 80 Plus certification should look at other units.

Highlights

  • 420W output powers compatible HP Pavilion desktops
  • 110V/220V switchable input suits worldwide mains voltages
  • 20+4 pin ATX connector fits both 20-pin and 24-pin motherboards
  • 80mm fan provides active cooling for stable operation
  • Multiple SATA and Molex connectors support drives and peripherals

Specifications

BrandReplace Power
ModelRPSU-C99-23
ColorGrey
TypeATX
Fans1
Weight0.1

Questions about this item

How often will the 80mm fan need cleaning or replacement?

The single 80mm fan is the only moving part; dust it periodically and replace it if bearing noise appears.

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

The 420W total output ceiling is reached before any individual rail limit, so sustained draw above that level will trigger protection.

How much heat and noise does the supply produce during all-day operation?

One 80mm fan moves air across the 420W load; expect moderate warmth and low fan noise at typical desktop loads.

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