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Rectangular ATX power supply unit with matte black finish and visible cooling fan grille

KHACHIMO

KHACHIMO PS-4501-2 500W 80 PLUS Gold power supply

SKU CH-V7Y6-XMAR1

An ATX 500 W unit with 80 PLUS Gold efficiency, Modern Standby support, zero-RPM fan mode and resonant LLC topology with DC-to-DC conversion for quiet, stable power

  • TypeATX
  • Modern Standby compatible for faster wake-from-sleep
  • 80 PLUS Gold certified for high-efficiency operation
  • Zero RPM fan mode keeps the system near-silent at low loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power
  • ATX form factor fits standard desktop builds

500 W ATX power supply

The KHACHIMO PS-4501-2 delivers 500 W of continuous power in a standard ATX form factor. It is built for mainstream desktop builders who need reliable, efficient energy delivery for everyday computing and moderate gaming workloads.

Replaces older Bronze or unrated units

Moving from an 80 PLUS Bronze or non-certified supply to this Gold-rated model cuts waste heat and lowers electricity draw at typical loads. The upgrade is worth it when the system spends long hours idling or in Modern Standby sleep, where the Gold efficiency curve and fast wake times make a measurable difference.

Fits standard ATX cases with room for cable routing

The unit uses a resonant LLC topology with DC-to-DC conversion to produce clean voltage rails and suppress coil whine. Its Zero RPM fan mode stops the fan completely at low and medium loads, freeing the build from constant background noise while the Modern Standby support enables deeper, more efficient sleep states.

Pontos fortes

  • Modern Standby compatible for faster wake-from-sleep
  • 80 PLUS Gold certified for high-efficiency operation
  • Zero RPM fan mode keeps the system near-silent at low loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power
  • ATX form factor fits standard desktop builds

Especificações

TypeATX

Perguntas sobre este artigo

Does the 500W ATX unit fit a standard ATX case opening?

Yes, the PS-4501-2 follows the ATX form factor so it mounts in any standard ATX case opening with the usual four screws.

What is the wrong way to install the PS-4501-2 and still have it power on?

Mounting the unit with the fan facing a solid panel blocks airflow; the fan must face a vented area or the Zero RPM mode cannot cool the unit properly.

Which part of the PS-4501-2 will need attention first after years of use?

The cooling fan is the only moving component; if it becomes noisy or stops spinning, replace the fan assembly to restore quiet operation.

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