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

KHACHIMO

KHACHIMO ATX Power Supply 80 PLUS Gold 3591

SKU CH-79FV-63JBT

An ATX power supply built as a direct replacement for the Liteon PS-3591-1 with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion

  • TypeATX
  • Faster wake from sleep with Modern Standby support
  • Lower power draw and heat thanks to 80 PLUS Gold efficiency
  • Near-silent operation at low loads via Zero RPM fan mode
  • Clean, stable power delivery using resonant LLC topology with DC-to-DC conversion
  • Reduced coil whine for quieter performance under load

ATX Power Supply for Liteon PS-3591-1

This new ATX power supply is built as a direct replacement for the Liteon PS-3591-1 unit. It fits standard ATX layouts and supports Modern Standby for rapid wake-from-sleep responsiveness. The 80 PLUS Gold certification confirms high efficiency across typical loads. It suits system builders and repair technicians who need a reliable, efficient power source for compatible desktop chassis.

Zero RPM Fan Mode and Resonant LLC Topology

A Zero RPM fan mode stops the cooling fan completely at low and medium loads, delivering near-silent operation during idle or light tasks. The resonant LLC topology with DC-to-DC conversion supplies clean, consistent power while reducing coil whine. These features also enable more energy-efficient sleep states, lowering overall power draw when the system is not under heavy demand.

ATX Form Factor and Modern Standby Connectivity

The standard ATX form factor ensures straightforward mounting in compatible cases using existing screw points. Modern Standby compatibility means the power supply works with motherboards that support ultra-fast sleep and wake transitions. Connectors follow the ATX pinout required by the PS-3591-1 design, so installation proceeds without adapter cables or non-standard wiring. Builders who need a different form factor or higher wattage than the original unit provides should verify specifications before purchase.

Punti di forza

  • Faster wake from sleep with Modern Standby support
  • Lower power draw and heat thanks to 80 PLUS Gold efficiency
  • Near-silent operation at low loads via Zero RPM fan mode
  • Clean, stable power delivery using resonant LLC topology with DC-to-DC conversion
  • Reduced coil whine for quieter performance under load

Caratteristiche tecniche

TypeATX

Domande su questo articolo

Will the fan on this KHACHIMO ATX unit need replacement after long-term use?

The Zero RPM Fan Mode keeps the fan off at low and medium loads, reducing wear and extending the fan's service life.

What limits sustained output on this 3591 model?

The 80 PLUS Gold efficiency rating means sustained use is limited by heat buildup once the unit exceeds its optimal efficiency range.

How loud and hot does this power supply get when running all day?

Zero RPM Fan Mode provides near-silent operation at typical loads, while 80 PLUS Gold efficiency keeps temperatures lower than standard units.

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