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

Replace Power

Replace Power power supply for HP A523x A524x A527x A530e A530n A532x A535w A545c

SKU CH-JXEK-464VH

A reduced-depth ATX power supply with a 24-pin motherboard connector, three SATA connectors, two Molex connectors, a floppy connector, a 4-pin CPU connector.

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight4
  • Fits HP A523x A524x A527x A530e A530n A532x A535w A545c desktops
  • Reduced depth ATX design installs in standard slots without overhang
  • 280 W continuous output with 420 W peak for stable power delivery
  • 80 mm fan cooling maintains low ripple and noise during operation
  • 24-pin ATX, 4-pin CPU, three SATA, two Molex, one floppy connectors included

Replacement PSU for HP Desktops

This Replace Power supply fits HP A523x A524x A527x A530e A530n A532x A535w A545c models. It uses a standard ATX form factor with reduced depth for easier installation in compact cases. The unit includes a 24-pin motherboard connector, a 4-pin CPU connector, three SATA power plugs, two Molex plugs and one floppy connector. An 80 mm fan provides cooling for stable long-term operation.

ATX Interface Limits

The power supply delivers a total continuous output of 280 watts with a peak rating of 420 watts. AC input accepts 110 or 220 volts at 47 to 63 hertz. Output rails provide +3.3V, +5V, -5V, +12V1, +12V2, -12V and +5V standby. Hold-up time is at least 17 ms at nominal input and rise time stays below 70 ms. These figures define the practical power ceiling for any connected components.

Capacity and Headroom

The 280 watt continuous rating comfortably runs typical office desktop configurations with integrated graphics, a single hard drive and basic peripherals. Adding a discrete graphics card or multiple drives will likely exceed the available headroom on the +12V rails. Builders needing more power for modern GPUs or high-core-count CPUs should look for a higher-wattage unit.

Highlights

  • Fits HP A523x A524x A527x A530e A530n A532x A535w A545c desktops
  • Reduced depth ATX design installs in standard slots without overhang
  • 280 W continuous output with 420 W peak for stable power delivery
  • 80 mm fan cooling maintains low ripple and noise during operation
  • 24-pin ATX, 4-pin CPU, three SATA, two Molex, one floppy connectors included

Specifications

BrandReplace Power
ModelHP A523x A524x A527x A530e A530n A532x A535w A545c
ColorGrey
TypeATX
Fans1
Weight4

Questions about this item

Which of the listed HP models does this 420 watt unit cover?

It is a direct replacement for HP A523x, A524x, A527x, A530e, A530n, A532x, A535w and A545c desktops.

What does the 280 watt total rating mean once installed?

The combined output across all rails is capped at 280 watts, so the sum of motherboard, CPU, drives and peripherals must stay within that limit.

How does the 24 pin ATX connector work with older 20 pin boards?

The 20+4 pin plug splits so you can use just the 20 pin section on legacy motherboards or the full 24 pin on newer ones.

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