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Grey ATX power supply unit with single fan

Replace Power

Replace Power RPSU-C99-28 420W ATX Power Supply

SKU CH-6VBY-3M2XZ MPN RPSU-C99-28

420W ATX power supply with 20+4 pin motherboard connector, SATA, Molex and 12V ATX plugs, switchable 110V/220V input and 80mm cooling fan

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight0.1
  • Delivers 420W for stable desktop operation
  • Switchable 110V or 220V input fits global mains
  • 80mm fan provides active cooling
  • 20+4 pin ATX connector supports 20-pin and 24-pin motherboards
  • Includes SATA, Molex and 12V ATX power connectors

Replacement for HP Media Centers

This Replace Power unit is a 420W ATX supply built to fit HP Media Center models such as the m7250, m7250la, M7250N, m7434n, m7457c and m7463w. It serves owners who need a direct swap for a failed original unit. Builders working with standard ATX cases or non-HP motherboards should look elsewhere because the connector layout targets these specific chassis.

Included cable set and voltage switch

The bundle provides one SATA connector, a 20+4 pin motherboard plug, a dedicated 12V ATX lead, two large peripheral connectors and two short large peripheral connectors plus one small peripheral connector. An 110V/220V input selector lets the unit operate on either mains standard without extra configuration.

420 watt capacity and cooling limit

At 420W the supply handles typical office workloads, integrated graphics and a single mechanical drive with headroom to spare. It runs out of steam when a discrete graphics card or multiple drives are added, and the single 80mm fan cannot move enough air for sustained heavy loads.

Points forts

  • Delivers 420W for stable desktop operation
  • Switchable 110V or 220V input fits global mains
  • 80mm fan provides active cooling
  • 20+4 pin ATX connector supports 20-pin and 24-pin motherboards
  • Includes SATA, Molex and 12V ATX power connectors

Caractéristiques

BrandReplace Power
ModelRPSU-C99-28
ColorGrey
TypeATX
Fans1
Weight0.1

Questions sur cet article

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

The 80mm fan is the only moving part; dust buildup over time can reduce airflow, so periodic cleaning with compressed air is recommended to maintain cooling performance.

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

The 420W total output ceiling is the primary limit; sustained draws above this rating will trigger protection shutdown or voltage droop on the rails.

How much heat and noise does the 80mm fan produce during all-day operation?

The 80mm fan moves enough air for 420W loads; expect moderate audible airflow and warm exhaust, typical for a single-fan ATX supply under continuous use.

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