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

Replace Power

Replace Power 420W ATX power supply for HP A1229x A1230n A1235c A1243w A1245c A1247c

SKU CH-EN6D-MBAX6

A 420-watt ATX power supply with reduced depth for HP desktops, delivering 280 watts total across 24-pin, 4-pin, three SATA and two Molex connectors

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight4
  • Direct HP desktop fit confirmed for models A1229x A1230n A1235c A1243w A1245c A1247c
  • Reduced depth 5.86" design increases case compatibility for tight builds
  • 420 W peak output with 280 W continuous power for stable delivery
  • 80 mm fan cooling maintains low ripple and noise over long use
  • Full connector set includes 24-pin ATX 4-pin CPU three SATA two Molex one floppy

Replacement PSU for HP Desktops

This Replace Power unit is built as a direct swap for HP models A1229x, A1230n, A1235c, A1243w, A1245c and A1247c. It fits a standard ATX mounting pattern while using a reduced depth of 5.86 inches for tighter chassis clearance. The 420 watt peak rating and 280 watt continuous output suit office and home PCs that need reliable power without excess capacity. Builders who need higher continuous wattage for discrete graphics should look elsewhere.

Thermals Noise and Power Draw

An 80 mm fan provides active cooling and the supplier notes low ripple and noise in normal operation. AC input accepts 110 or 220 volts at 47 to 63 hertz for worldwide mains compatibility. Hold-up time is rated at a minimum of 17 milliseconds at nominal voltage and rise time stays below 70 milliseconds. The unit carries ROHS and CE markings for regulatory compliance.

Bundled Connectors and Compatibility

Fixed cabling includes a 24 pin (20+4) motherboard connector, one 4 pin CPU power plug, three SATA 15 pin connectors, two Molex 4 pin connectors and one floppy 4 pin connector. The reduced depth allows installation in many branded desktops from HP, Dell, Compaq and similar OEMs where a full length ATX unit would not fit. No modular cables or software utilities are included.

Highlights

  • Direct HP desktop fit confirmed for models A1229x A1230n A1235c A1243w A1245c A1247c
  • Reduced depth 5.86" design increases case compatibility for tight builds
  • 420 W peak output with 280 W continuous power for stable delivery
  • 80 mm fan cooling maintains low ripple and noise over long use
  • Full connector set includes 24-pin ATX 4-pin CPU three SATA two Molex one floppy

Specifications

BrandReplace Power
ModelHP A1229x A1230n A1235c A1243w A1245c A1247c
ColorGrey
TypeATX
Fans1
Weight4

Questions about this item

How do I install the 24-pin ATX connector and the 4-pin CPU connector without forcing them?

Align the 20+4 pin ATX plug with the motherboard keying and press straight down until the latch clicks; then seat the 4-pin CPU plug the same way. The reduced-depth chassis slides into the standard ATX bay, but do not overtighten the four mounting screws or the shorter body can bind.

Which parts will need attention after a few years of daily use?

The single 80 mm cooling fan is the only moving component; its bearings can wear and raise noise levels. Electrolytic capacitors inside age with heat cycles, so plan to replace the entire unit if voltages drift or the system becomes unstable under load.

What is the first limit reached when the system draws heavy power continuously?

The combined output is rated at 280 watts total, well below the 420 watt peak figure. Sustained loads above 280 watts will trigger protection shutdown or cause voltage rails to sag, so size the build to stay under that continuous ceiling.

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