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

KHACHIMO

KHACHIMO 400W ATX Power Supply H47318 80 PLUS Gold

SKU CH-DMPV-EC605

ATX power supply delivering 400 W with 80 PLUS Gold efficiency, zero-RPM fan mode for silent low-load operation and Modern Standby compatibility for faster wake times

  • TypeATX
  • Faster wake-from-sleep with Modern Standby compatibility
  • High efficiency 80 PLUS Gold certification cuts power use and heat
  • Zero RPM fan mode delivers near-silent operation at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • 400W ATX power supply with 24-pin connector for standard builds

400W ATX power supply for efficient builds

The KHACHIMO H47318 delivers 400 watts of continuous power in a standard ATX form factor. It carries 80 PLUS Gold certification for high efficiency across typical loads. Modern Standby compatibility ensures extremely fast wake-from-sleep times and better low-load efficiency. Resonant LLC topology with DC-to-DC conversion provides clean, consistent power while reducing coil whine.

Replaces older or lower-efficiency units

Upgrading from a non-modular or Bronze-rated supply cuts power draw, heat output and fan noise. The Zero RPM fan mode stops the fan entirely at low and medium loads for near-silent operation. The jump is worth it when building a system that spends long periods idle or in sleep states where Modern Standby and DC-to-DC conversion excel. Builders needing more than 400 watts for high-end graphics cards or heavy overclocking should look at higher-capacity models.

Check your power and connector needs

Verify that 400 watts covers the combined TDP of your CPU, GPU and peripherals with headroom. Confirm the 24-pin ATX connector matches your motherboard and that the available peripheral cables suit your drives and graphics card. Ensure the physical dimensions fit your case and that the airflow path is not blocked by other components.

Points forts

  • Faster wake-from-sleep with Modern Standby compatibility
  • High efficiency 80 PLUS Gold certification cuts power use and heat
  • Zero RPM fan mode delivers near-silent operation at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • 400W ATX power supply with 24-pin connector for standard builds

Caractéristiques

TypeATX

Questions sur cet article

Will this ATX 400W PSU fit a standard ATX case?

Yes, the unit follows the ATX form factor so it mounts in any standard ATX chassis using the four rear screws.

Which cables must be connected during install and which step is often missed?

Connect the 24-pin motherboard cable and the CPU power cable; the step often missed is seating the 24-pin connector fully until the latch clicks.

What maintenance will the 80 PLUS Gold unit need over time?

Clean dust from the fan intake periodically; the Zero RPM mode means the fan spins less, so dust builds up more slowly.

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