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

KHACHIMO

KHACHIMO 400W ATX Power Supply GW-5000DK 80 PLUS Gold

SKU CH-J3VW-FF3PX

400 W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for silent, low-power desktop builds

  • TypeATX
  • Faster wake-from-sleep with Modern Standby compatibility
  • 80 PLUS Gold certification cuts power draw and heat
  • Fan stops completely at low loads for silent running
  • Resonant LLC plus DC-to-DC delivers clean, stable power
  • ATX form factor fits standard desktop builds

400W ATX Power Supply

The KHACHIMO GW-5000DK is a 400W ATX power supply rated at 80 PLUS Gold efficiency. It is built for desktop computers using graphics cards such as GTX-750, GTX-760 or GTX-770 models. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency. The unit uses Resonant LLC topology with DC-to-DC conversion for clean, consistent power delivery.

ATX form factor and 400W rating

Verify that your case accepts a standard ATX power supply and that the 400W output matches the total power draw of your components. Confirm the available connectors suit your motherboard, graphics card and storage devices. The Resonant LLC topology with DC-to-DC conversion supports energy efficient sleep states, so ensure your motherboard firmware is configured for Modern Standby if you require that feature.

Sustained load behaviour

At low and medium loads the Zero RPM fan mode keeps the cooling fan off for near-silent operation. The 80 PLUS Gold certification maintains high efficiency during continuous use, reducing power consumption and heat output. Resonant LLC topology with DC-to-DC conversion provides stable voltage regulation and reduces coil whine under sustained load. Modern Standby compatibility preserves fast wake performance over long periods.

Highlights

  • Faster wake-from-sleep with Modern Standby compatibility
  • 80 PLUS Gold certification cuts power draw and heat
  • Fan stops completely at low loads for silent running
  • Resonant LLC plus DC-to-DC delivers clean, stable power
  • ATX form factor fits standard desktop builds

Specifications

TypeATX

Questions about this item

Does the KHACHIMO GW-5000DK include all cables needed for a GTX 750, 760 or 770 graphics card?

The unit provides the standard ATX connector set for motherboard, CPU and graphics card; no extra cables are required for a normal desktop assembly with a GTX 750, 760 or 770.

Is the 400 W Gold unit sufficient for a GTX 770 or should I choose a higher capacity?

The 400 W rating with 80 PLUS Gold efficiency delivers enough power for a GTX 770 build while keeping consumption, noise and temperatures lower than a less efficient supply.

How does the 80 PLUS Gold rating affect real-world noise and heat with a GTX 760?

Gold efficiency reduces waste heat, allowing the Zero RPM fan mode to stay off longer at low and medium loads, so the system runs cooler and near-silent during typical desktop use.

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