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Black ATX power supply unit with gold efficiency badge and cooling fan grille

KHACHIMO

KHACHIMO Power Supply 500W AX500-PNF

SKU CH-9RVT-SXFWF

ATX 500 W unit with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for silent, low-power sleep

  • TypeATX
  • Modern Standby compatible for fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certified for lower power consumption, less noise and cooler temperatures
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine
  • ATX form factor 500W unit fits standard desktop builds

AX500-PNF 500W ATX power supply

The AX500-PNF is a 500W ATX power supply built for modern desktop PCs. It carries 80 PLUS Gold certification for high efficiency across typical loads. Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency. Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power while reducing coil whine.

Zero RPM fan mode and topology benefits

At low and medium loads the cooling fan switches off entirely for near-silent operation. The resonant LLC design with DC-to-DC conversion further cuts audible noise and supports more energy-efficient sleep states. Together these features lower power draw, reduce heat output and keep acoustics minimal during everyday workloads.

Suited for efficient, quiet builds.

This unit suits builders who prioritise efficiency, low noise and Modern Standby support in a standard ATX form factor. It is not intended for systems that require more than 500W of continuous power or configurations demanding multiple high-end graphics cards. Buyers needing higher capacity or specialised server-grade features should consider other options.

Highlights

  • Modern Standby compatible for fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certified for lower power consumption, less noise and cooler temperatures
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine
  • ATX form factor 500W unit fits standard desktop builds

Specifications

TypeATX

Questions about this item

Does the fan need periodic cleaning or replacement on the KHACHIMO AX500-PNF?

The Zero RPM Fan Mode keeps the fan off at low and medium loads, reducing dust build-up and mechanical wear, so cleaning or replacement is rarely needed.

What limits continuous output on the KHACHIMO AX500-PNF during sustained loads?

The 500 W rated capacity is the ceiling; the 80 PLUS Gold efficiency helps manage heat so the unit can sustain full power without throttling.

How loud and hot does the KHACHIMO AX500-PNF get when running all day?

Zero RPM Fan Mode silences the fan at low and medium loads, while 80 PLUS Gold efficiency and LLC topology keep temperatures and coil whine low even under continuous use.

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