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Black rectangular ATX power supply unit with ventilation grille and side label

KHACHIMO

KHACHIMO FSH091 500W ATX Power Supply

SKU CH-TTZD-QQJNY

An 80 PLUS Gold ATX unit delivering 500W with Modern Standby support, Zero RPM fan mode and resonant LLC plus DC-to-DC topology for clean power and quiet operation

  • TypeATX
  • Fast wake and low-load efficiency with Modern Standby support
  • High efficiency lowers consumption and heat via 80 PLUS Gold
  • Near-silent operation at low loads through Zero RPM fan mode
  • Clean, stable power delivery using Resonant LLC with DC-to-DC
  • 500W ATX capacity for reliable system power

KHACHIMO 500W ATX Power Supply

The KHACHIMO FSH091 is a 500W ATX power supply built for desktop PCs that need reliable, efficient power delivery. It suits system builders who value low noise and modern sleep-state support in a standard form factor.

Thermals, noise and power draw

80 PLUS Gold certification means high efficiency at typical loads, reducing waste heat and keeping internal temperatures lower. The Zero RPM fan mode stops the fan completely at low and medium loads for near-silent operation, while the Resonant LLC topology with DC-to-DC conversion minimises coil whine.

Modern Standby and topology benefits

Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency for connected standby scenarios. The DC-to-DC conversion and Resonant LLC design provide clean, consistent power output and support more energy-efficient sleep states without adding extra cables or software.

Highlights

  • Fast wake and low-load efficiency with Modern Standby support
  • High efficiency lowers consumption and heat via 80 PLUS Gold
  • Near-silent operation at low loads through Zero RPM fan mode
  • Clean, stable power delivery using Resonant LLC with DC-to-DC
  • 500W ATX capacity for reliable system power

Specifications

TypeATX

Questions about this item

How do I install the 500W ATX power supply and enable the Modern Standby fast wake feature?

Mount the unit in the case, connect the 24-pin ATX and CPU power cables, then enable Modern Standby in the system BIOS to activate the fast wake-from-sleep capability.

What maintenance will the Zero RPM fan mode need over time?

The fan stops at low and medium loads, reducing wear; clean dust from the intake vents periodically so airflow remains unrestricted when the fan does spin.

What limit appears first when the 500W supply runs at sustained high load?

The 500W rated output is the ceiling; exceeding it triggers over-power protection and shuts the unit down.

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