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Black rectangular ATX power supply unit with gold certification badge and cooling fan grille

KHACHIMO

KHACHIMO 1000W 80 PLUS Gold ATX Power Supply CPR-1021-9M1

SKU CH-9X3F-KG52E

Delivers 1000W of 80 PLUS Gold certified ATX power with Modern Standby support, zero-RPM fan mode and resonant LLC topology for clean, quiet operation

  • TypeATX
  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low load
  • Resonant LLC with DC-to-DC delivers clean power and less coil whine
  • 1000 W ATX capacity for high-performance systems

1000W ATX power supply for efficient builds

This 1000W ATX unit targets system builders who want high efficiency and quiet operation. It carries 80 PLUS Gold certification to reduce wasted power and heat. Modern Standby compatibility enables rapid wake-from-sleep transitions. The resonant LLC topology with DC-to-DC conversion delivers clean, consistent power for stable performance.

Thermals noise and power draw in normal use

At low and medium loads the Zero RPM fan mode stops the cooling fan completely for near-silent operation. Gold-rated efficiency lowers power consumption and keeps internal temperatures down during everyday tasks. The DC-to-DC conversion design reduces coil whine for quieter background performance. Modern Standby support improves low-load efficiency when the system is idle or sleeping.

Behaviour under sustained load rather than short

Under sustained load the resonant LLC topology maintains clean, consistent power delivery without voltage drift. Continuous 1000W output is supported by the Gold efficiency rating to limit heat buildup over long sessions. The fan engages automatically when thermal thresholds rise above passive cooling limits. Coil whine suppression remains effective even during extended high-current operation.

Points forts

  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low load
  • Resonant LLC with DC-to-DC delivers clean power and less coil whine
  • 1000 W ATX capacity for high-performance systems

Caractéristiques

TypeATX

Questions sur cet article

How do I install the CPR-1021-9M1 in an ATX case and what step is often missed?

Mount the unit with four screws, connect the 24-pin ATX, CPU and GPU cables, then enable Modern Standby in the motherboard BIOS so the fast wake-from-sleep feature actually works.

What maintenance will this 1000W Gold unit need over its life?

The Zero RPM fan stops at low load, so dust builds up slowly; clean the intake grill once a year with compressed air and listen for any bearing noise that would signal a future fan replacement.

Which limit appears first when the supply runs at high load for a long time?

The 80 PLUS Gold efficiency target is the first boundary; sustained heavy draw pushes temperatures up until the fan must spin, ending the silent Zero RPM mode.

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