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Rectangular ATX power supply unit with matte black finish and gold certification badge

KHACHIMO

KHACHIMO DC 800W ATX Power Supply Gold 80 740-045932

SKU CH-P4D9-HVYW4

An 800 W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode, Modern Standby support and DC-to-DC resonant LLC topology for clean, quiet power delivery

  • TypeATX
  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops completely at low loads for silent running
  • Resonant LLC topology with DC-to-DC delivers clean, stable power
  • ATX form factor fits standard desktop builds

800 W ATX power supply for modern PCs

This 800 watt ATX unit delivers reliable power for mainstream desktop builds. It carries 80 PLUS Gold certification for high efficiency, reducing waste heat and fan noise. Modern Standby compatibility ensures rapid wake-from-sleep response for contemporary operating systems.

Capacity and headroom

The 800 watt rating provides ample headroom for mid-range graphics cards and multi-core processors under full load. Zero RPM fan mode keeps the unit silent at low and medium loads by stopping the fan entirely. Efficiency drops and heat rise become limiting factors only when sustained draw approaches the maximum rated output.

Resonant LLC topology with DC-to-DC conversion

This topology supplies clean, consistent voltage to all rails while minimising coil whine. It also enables deeper, more energy-efficient sleep states supported by modern platforms. Buyers needing higher wattage for extreme overclocking or dual-GPU configurations should look at larger capacity units.

Highlights

  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops completely at low loads for silent running
  • Resonant LLC topology with DC-to-DC delivers clean, stable power
  • ATX form factor fits standard desktop builds

Specifications

TypeATX

Questions about this item

Will the Modern Standby support work with my older motherboard that only has standard sleep states?

Modern Standby compatibility enables faster wake times on supported platforms while remaining fully functional with traditional sleep states on older boards.

How can I verify the Zero RPM fan mode is active after installation?

Under light workloads the cooling fan remains completely still; you can confirm silent operation by listening for fan noise during idle or low-power tasks.

Does the unit include all ATX cables or will I need to buy extra connectors for a standard build?

The power supply provides the necessary ATX connectors for a typical system; any specialised adapters for non-standard components would be purchased separately.

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