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

Replace Power

Replace Power RPSU-C99-46 ATX power supply 420W

SKU CH-VHA0-2Y525 MPN RPSU-C99-46

ATX power supply delivers 420W with 20+4 pin motherboard, SATA, Molex and floppy connectors plus an 80mm fan

  • Fan configuration1
  • Product colorGrey
  • Product typeATX
  • Product weight0.1
  • 420 W output powers demanding desktop builds
  • Switchable 110 V / 220 V input suits global mains voltages
  • 20 + 4 pin ATX connector fits 20-pin and 24-pin motherboards
  • SATA, Molex and floppy leads cover legacy and modern drives
  • Single 80 mm fan keeps the unit cool under load

420W ATX replacement unit

This 420W ATX power supply from Replace Power is built as a direct replacement for PowerMan and FSP 300-series units. It targets owners of legacy desktops who need a drop-in unit to restore reliable operation without rewiring the chassis.

80mm fan and standard cables

A single 80mm fan handles cooling while the bundle includes a 20+4 pin motherboard lead, a 12V ATX lead, one SATA connector, two large peripheral leads and a small floppy-style lead. Cable lengths of 14 and 15 inches reach most mid-tower layouts, though very deep cases may require extensions. The 110V/220V switch must be set before first power-on or the unit will not start.

420W continuous rating

The 420W rating supports typical office builds with integrated graphics, a single hard drive and modest expansion cards. It runs out of headroom when a discrete graphics card or multiple drives are added, so high-performance gaming or workstation configurations are outside its design envelope.

How it compares

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

Price $62.99
Cheaper than about 83% 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-C99-46
Product colorGrey
Product typeATX
More details
Fan configuration1

Questions about this item

How can I confirm the 420W Replace Power RPSU-C99-46 is running correctly once installed?

The system powers on, the 80mm fan spins and the 20+4 pin ATX connector delivers stable voltage to the motherboard.

What cables come with the RPSU-C99-46 and which must I source myself?

Included: one 15-inch SATA connector, one 14-inch 20+4 pin ATX connector, one 14-inch 12V ATX connector, two 15-inch large power connectors, two 6-inch large power connectors and one 6-inch small power connector.

Which version of the Replace Power RPSU-C99-46 should I choose for my build?

Only the single 420W grey ATX model with 110V/220V switchable input is offered.

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