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Rectangular black ATX power supply unit with cooling fan visible

KHACHIMO

KHACHIMO PSS-2C00V 1200W ATX Power Supply

SKU CH-4JBS-M7RTM

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

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw and cooler running via 80 PLUS Gold efficiency
  • Near-silent at low load with Zero RPM fan mode
  • Clean, stable output from resonant LLC with DC-to-DC conversion
  • 1200W capacity for demanding multi-GPU builds

1200W ATX Power Supply

The KHACHIMO PSS-2C00V delivers 1200W of continuous power through a standard ATX form factor. It is built for high-performance desktop systems that demand substantial headroom for multi-GPU arrays or heavily overclocked components. An 80 PLUS Gold rating confirms high efficiency across typical load ranges.

Modern Standby systems and silent builds

This unit suits owners of Modern Standby compatible motherboards who want extremely fast wake-from-sleep times and better low-load efficiency. The Zero RPM fan mode stops the fan entirely at low and medium loads for near-silent operation. Builders who need a lower maximum wattage or a non-ATX form factor should look at something else.

1200W capacity with Gold efficiency

The 1200W rating comfortably handles power-hungry graphics cards, high-core-count processors and multiple storage devices simultaneously. Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine. At sustained loads approaching the maximum rating the fan will spin up and efficiency gains taper off.

Highlights

  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw and cooler running via 80 PLUS Gold efficiency
  • Near-silent at low load with Zero RPM fan mode
  • Clean, stable output from resonant LLC with DC-to-DC conversion
  • 1200W capacity for demanding multi-GPU builds

Specifications

TypeATX

Questions about this item

What motherboard power connectors must my board provide for this 1200W ATX unit?

Your motherboard needs a standard 24-pin ATX connector plus the required 8-pin or 4+4-pin EPS12V CPU power plug.

Will this supply run stably with an older platform that draws very little power at idle?

Yes, the resonant LLC topology with DC-to-DC conversion maintains tight regulation even at light loads, and Modern Standby support enables deeper sleep states.

How can I confirm the Zero RPM fan mode is active after I build the system?

With the system at idle or light load, listen for fan noise; the fan should remain completely stationary until internal temperatures or load rise past the trigger point.

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