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

KHACHIMO

KHACHIMO TS440 TS540 420W Power Supply

SKU CH-N5MD-WNZEV

A 420W ATX power supply with 80 PLUS Gold efficiency, Modern Standby support, zero-RPM fan mode and resonant LLC topology for quiet, stable power delivery

  • 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 loads
  • Resonant LLC with DC-to-DC delivers clean, stable voltage
  • ATX form factor fits standard desktop cases

420 W ATX Power Supply

This KHACHIMO unit delivers 420 W of continuous power in a standard ATX form factor. 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 resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine.

Compatibility and Connector Check

Verify that your motherboard uses a standard 24-pin ATX main connector and the required CPU power connector, as cable fitment varies by board. Confirm the case can accommodate a regular ATX-length supply and that the GPU power connectors match your graphics card. Ensure the total system draw stays within the 420 W rating before ordering.

Upgrade From Lower-Efficiency Units

Replaces older bronze-rated or unrated ATX supplies that run hotter and louder under load. The jump is worth it when you want near-silent operation at low and medium loads thanks to the Zero RPM fan mode. Builders who need higher wattage for multi-GPU configurations or extreme overclocking should look at larger-capacity models instead.

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 loads
  • Resonant LLC with DC-to-DC delivers clean, stable voltage
  • ATX form factor fits standard desktop cases

Caractéristiques

TypeATX

Questions sur cet article

What comes inside the KHACHIMO TS440 TS540 420W box and what must I source separately?

The box contains the ATX power supply unit; mounting screws and all required ATX, CPU and peripheral cables are attached, so no extra parts are needed for a standard build.

Should I pick the TS440 or TS540 version for my 420W requirement?

Both model numbers refer to the same 420W unit, so either label will deliver the full rated output.

How does the 80 PLUS Gold rating affect daily power draw and heat in my PC?

The Gold certification means the supply runs at high efficiency across typical loads, reducing wasted electricity and keeping internal temperatures lower.

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