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Rectangular metal ATX power supply unit with matte black finish and cooling fan grille

KHACHIMO

KHACHIMO CRPS 300W ATX power supply 80 PLUS Gold

SKU CH-V9GD-SGH8H

A 300W ATX unit with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology for clean, quiet power delivery

  • TypeATX
  • Fast wake from sleep with Modern Standby support
  • High efficiency cuts power draw and heat with 80 PLUS Gold
  • Silent low-load operation via Zero RPM fan mode
  • Clean, stable power delivery through resonant LLC and DC-to-DC
  • 300 W ATX output for compact system builds

KHACHIMO CRPS 300W ATX PSU

This KHACHIMO CRPS 300W ATX power supply delivers 300 watts of continuous power for small-form-factor or low-draw desktop builds. It carries 80 PLUS Gold certification for high efficiency across typical loads. Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency. The unit is brand new and ready for installation.

Replaces older low-efficiency units

Swapping out a lower-rated or non-certified power supply for this model brings 80 PLUS Gold efficiency, reducing power consumption, noise and operating temperatures. The resonant LLC topology with DC-to-DC conversion provides cleaner power delivery and reduces coil whine. The jump is worthwhile when building a quiet, energy-conscious system that uses modern sleep states. Builders needing more than 300 watts for high-end graphics or multi-drive arrays should look elsewhere.

Sustained load behaviour

Under sustained load the resonant LLC topology with DC-to-DC conversion maintains consistent voltage regulation and clean power output. Zero RPM fan mode keeps the cooling fan off at low and medium loads for near-silent operation, engaging only when thermal demand rises. This design supports energy-efficient sleep states and reduces long-term component stress. High efficiency persists across extended sessions, keeping temperatures lower than less certified alternatives.

Points forts

  • Fast wake from sleep with Modern Standby support
  • High efficiency cuts power draw and heat with 80 PLUS Gold
  • Silent low-load operation via Zero RPM fan mode
  • Clean, stable power delivery through resonant LLC and DC-to-DC
  • 300 W ATX output for compact system builds

Caractéristiques

TypeATX

Questions sur cet article

Will the 300W ATX unit fit a standard ATX case cut-out?

Yes, the CRPS 300W follows the ATX form factor so it matches the standard mounting holes and rear cut-out used by most cases.

How do I enable the Zero RPM fan mode and what wiring mistake disables it?

The fan stops automatically at low and medium loads; the only common error is forgetting the 4-pin PWM fan header connection that lets the PSU control the curve.

Which part typically wears out first on this Gold-rated supply and how do I know it is time?

The internal fan bearing is the usual wear item; rising noise or a fan that no longer spins up under load signals replacement is needed.

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