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Grey ATX power supply unit with 80mm fan and built-in cables

Replace Power

Replace Power ATX 420W Reduced Depth Power Supply for HP A442n A445c A445w A446x A450e A450n A450y A462x

SKU CH-S6GH-RRF8Q

Reduced-depth 420 W ATX unit with 20+4-pin, 4-pin CPU, three SATA and two Molex connectors fits listed HP desktops

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight4
  • Reduced depth 5.86 inches fits compact HP cases
  • 420 watt peak output powers listed A442n A445c A445w A446x A450e A450n A450y A462x models
  • 24-pin 20+4 motherboard connector plus 4-pin CPU and three SATA 15-pin drives
  • 80mm fan cooling with low ripple and noise for stable long-life operation
  • Hi-Pot tested with ROHS CE compliance and 17 ms hold-up time at nominal input

Replacement Power Supply for HP Desktops

This Replace Power ATX unit is built as a direct replacement for HP A442n, A445c, A445w, A446x, A450e, A450n, A450y and A462x systems. It fits a standard ATX slot while using a reduced depth of 5.86 inches for tighter chassis clearance. The grey enclosure holds a single 80 mm fan for cooling. It is not suited for builds that need more than 280 watts of continuous power.

Capacity and Headroom at 280 Watts Continuous

The supply delivers a maximum rated output of 420 watts with a total continuous wattage of 280 watts. It provides +5V, -5V, +12V1, +12V2, +3.3V, -12V and +5V-SB rails for motherboard, CPU and peripheral loads. The fixed cable set includes a 24 (20+4) pin motherboard connector, one 4-pin CPU connector, three SATA 15-pin connectors, two Molex 4-pin connectors and one floppy 4-pin connector. Systems with high-end graphics cards or many drives will exceed the continuous rating.

Thermals, Noise and Power Draw in Normal Use

An 80 mm fan handles airflow, with the unit specified for low ripple and noise during operation. AC input accepts 110 or 220 volts at 47 to 63 Hz, with a hold-up time of at least 17 ms at nominal voltage and a rise time under 70 ms. The design meets ROHS and CE standards and has been Hi-Pot tested. It is not intended for silent-optimised builds that require fanless or semi-passive operation.

Points forts

  • Reduced depth 5.86 inches fits compact HP cases
  • 420 watt peak output powers listed A442n A445c A445w A446x A450e A450n A450y A462x models
  • 24-pin 20+4 motherboard connector plus 4-pin CPU and three SATA 15-pin drives
  • 80mm fan cooling with low ripple and noise for stable long-life operation
  • Hi-Pot tested with ROHS CE compliance and 17 ms hold-up time at nominal input

Caractéristiques

BrandReplace Power
ModelHP A442n A445c A445w A446x A450e A450n A450y A462x
ColorGrey
TypeATX
Fans1
Weight4

Questions sur cet article

Will the 5.86 inch depth leave room for my existing drive cage?

The reduced depth design measures 5.86 inches deep, shorter than standard ATX units, so it often clears drive cages that block longer supplies.

How can I confirm the +12V rails are delivering stable power after install?

The unit specifies low ripple and noise with a hold-up time of 17 ms minimum; a multimeter on the 4-pin CPU and 20+4-pin connectors should show steady +12V1 and +12V2 under load.

Does the box include the 20+4-pin motherboard cable and three SATA power leads?

Yes, the built-in cabling provides one 20+4-pin ATX connector, one 4-pin CPU connector, three SATA 15-pin connectors, two Molex 4-pin connectors and one floppy 4-pin connector.

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