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Rectangular black ATX power supply unit with gold certification label

KHACHIMO

KHACHIMO 1150W ATX power supply PAC-1K1WF-BE

SKU CH-QSW5-D68R4

An 1150W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for silent, low-power sleep states

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops at low loads for silent running
  • Resonant LLC plus DC-to-DC gives clean, stable power
  • 1150W output handles demanding multi-GPU builds

1150W ATX power supply for modern PCs

This 1150W ATX power supply delivers high-efficiency power to demanding desktop builds. It carries 80 PLUS Gold certification for lower energy waste and reduced heat output. Modern Standby compatibility enables rapid wake-from-sleep transitions. Resonant LLC topology with DC-to-DC conversion provides stable voltage regulation and minimises coil whine.

Ideal for high-power builds needing quiet idle

Enthusiasts assembling multi-GPU workstations or overclocked gaming rigs will benefit from the generous headroom and silent Zero RPM fan mode at low loads. System integrators seeking efficient sleep-state support gain faster resume times. Builders with modest component counts or tight budgets should consider lower-wattage units that match their actual power draw.

Zero RPM fan and LLC topology cut noise

The Zero RPM fan mode stops the cooling fan completely during light workloads, eliminating mechanical noise for near-silent desktop use. Resonant LLC topology with DC-to-DC conversion suppresses coil whine and improves transient response. These features combine to deliver quieter operation across the load range without extra accessories or software configuration.

Points forts

  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops at low loads for silent running
  • Resonant LLC plus DC-to-DC gives clean, stable power
  • 1150W output handles demanding multi-GPU builds

Caractéristiques

TypeATX

Questions sur cet article

What motherboard power connectors must my system provide for this 1150W ATX unit?

This power supply uses the standard ATX form factor, so your motherboard needs a 24-pin main power connector and an 8-pin (or 4+4-pin) CPU power connector to operate.

Will the Zero RPM fan mode still engage if I pair this supply with an older platform that lacks Modern Standby support?

Yes, Zero RPM mode depends only on the load level, not on the motherboard's sleep-state capabilities, so the fan will stay off at low and medium loads regardless of platform age.

How can I confirm the 80 PLUS Gold efficiency rating is active after installation?

You can verify the unit is performing as intended by monitoring system power draw at the wall; a Gold-rated 1150W supply should maintain high efficiency across typical loads, resulting in lower AC consumption and cooler, quieter operation.

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