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Black rectangular ATX power supply unit with gold efficiency badge

KHACHIMO

KHACHIMO PWS-1K27A-1R 1200W ATX power supply

SKU CH-NB4T-JTXAK

An ATX power supply delivering 1200W with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology for clean power

  • TypeATX
  • Modern Standby compatible for faster wake times
  • 80 PLUS Gold certification reduces power draw and heat
  • Zero RPM fan mode stops the fan at low loads
  • Resonant LLC with DC-to-DC topology delivers clean, stable power
  • 1200 W output supports high-performance components

High-wattage ATX power supply

The KHACHIMO PWS-1K27A-1R delivers 1200W of continuous power for high-end desktop builds. Its 80 PLUS Gold certification ensures high efficiency, reducing waste heat and lowering overall system power draw. Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency. This unit targets enthusiasts building workstations or gaming rigs with demanding multi-GPU configurations.

Build integration and cable management

The ATX form factor fits standard chassis designs while the resonant LLC topology with DC-to-DC conversion provides clean, consistent power to sensitive components. This topology reduces coil whine and supports energy-efficient sleep states for quieter operation. Builders gain a high-capacity foundation that frees headroom for future upgrades without needing to replace the power supply. The design suits systems where stable delivery under heavy load is critical.

Cooling behaviour and acoustic profile

Zero RPM fan mode stops the cooling fan entirely at low and medium loads for near-silent operation during everyday tasks. The fan engages only when thermal demand rises, balancing acoustics with component longevity. This behaviour complements the Gold-rated efficiency by minimising unnecessary airflow noise. Users who prioritise a quiet workspace or bedroom PC benefit directly from the semi-passive cooling approach.

Highlights

  • Modern Standby compatible for faster wake times
  • 80 PLUS Gold certification reduces power draw and heat
  • Zero RPM fan mode stops the fan at low loads
  • Resonant LLC with DC-to-DC topology delivers clean, stable power
  • 1200 W output supports high-performance components

Specifications

TypeATX

Questions about this item

What continuous power limit applies during sustained heavy loads?

The unit delivers up to 1200 W continuously, which is the ceiling you will hit first under sustained heavy use.

How do noise, heat and power draw behave when the supply runs all day?

80 PLUS Gold efficiency keeps waste heat and power draw low, while Zero RPM mode stops the fan entirely at low and medium loads for near-silent operation.

Which motherboard power connectors must already be present for this unit to work?

A standard 24-pin ATX connector and the required 8-pin EPS / 4+4-pin CPU power headers are needed on the motherboard.

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