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Black rectangular ATX power supply unit with gold certification badge visible

KHACHIMO

KHACHIMO 1200W ATX Power Supply 80 PLUS Gold Zero RPM Fan Mode

SKU CH-36EY-ZJFQF

An ATX power supply delivering 1200W with 80 PLUS Gold efficiency, Zero RPM fan mode for silent low-load operation, Modern Standby compatibility, and resonant LLC topology with DC-to-DC conversion

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

1200W ATX power supply for high-wattage builds

This unit delivers 1200 watts of continuous power in a standard ATX form factor, making it suitable for workstations and enthusiast PCs that run multiple GPUs or heavily overclocked CPUs. It is not intended for compact ITX cases that require SFX or SFX-L dimensions, nor for low-power office machines that would never approach its rated output.

80 PLUS Gold efficiency rating

The power supply meets 80 PLUS Gold certification, meaning it maintains high efficiency across typical load ranges to reduce electricity draw and waste heat. Buyers who need the absolute highest efficiency tier such as 80 PLUS Platinum or Titanium should look elsewhere.

Zero RPM fan mode and resonant LLC topology

A Zero RPM mode stops the fan completely at low and medium loads for silent operation, while the resonant LLC topology with DC-to-DC conversion minimises coil whine and supports modern standby sleep states. Under sustained heavy loads the fan will spin to maintain safe temperatures.

Highlights

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

Specifications

TypeATX

Questions about this item

What does the 1200W rating mean when the supply is installed in a real PC?

It delivers up to 1200 watts of continuous power to all components, with 80 PLUS Gold efficiency reducing waste heat and electricity cost.

How does the ATX form factor and Modern Standby support affect compatibility and sleep behaviour?

The ATX form factor fits standard desktop cases and motherboards, while Modern Standby compatibility enables faster wake times and efficient low-power states.

What physical space and mounting does this unit need inside the case?

It uses the standard ATX footprint with four rear mounting screws and requires enough clearance for its length and cable routing.

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