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

KHACHIMO

KHACHIMO Power Supply 420W 80 PLUS Gold

SKU CH-79N2-65A53

An 80 PLUS Gold ATX power supply delivering 420 W with Modern Standby support, Zero RPM fan mode and LLC resonant topology for quiet, efficient operation

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

420W ATX power supply

This 420W ATX power supply fits standard desktop builds that require efficient, quiet power delivery. It suits home and office systems where low noise and reliable wake-from-sleep behaviour matter more than maximum output.

80 PLUS Gold efficiency

The unit carries 80 PLUS Gold certification, meaning it meets strict efficiency targets at typical loads. That certification is the single specification that tells you whether this supply will reduce electricity draw and heat compared with lower-rated alternatives.

Modern Standby and zero-RPM fan

Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency. The zero-RPM fan mode stops the fan entirely at low and medium loads for near-silent operation, while resonant LLC topology with DC-to-DC conversion reduces coil whine and supports deeper sleep states.

Highlights

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

Specifications

TypeATX

Questions about this item

What does the 80 PLUS Gold rating mean for daily power draw?

The 80 PLUS Gold certification confirms high efficiency across typical loads, reducing waste heat and lowering electricity use.

What ATX standard does this 420W unit follow for motherboard and CPU power?

It uses the standard ATX form factor with a 24-pin main connector and 4+4-pin CPU connector for modern boards.

What physical space and mounting pattern does this supply need?

It fits a standard ATX bay with four rear mounting screws and measures the usual ATX depth for most cases.

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