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Silver rectangular ATX power supply unit with fan grille

KHACHIMO

KHACHIMO FSP400-60WSA 400W ATX power supply

SKU CH-YQKV-12NF2

A 400W ATX power supply with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby compatibility for quiet, efficient operation

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw thanks to 80 PLUS Gold efficiency
  • Near-silent operation via Zero RPM fan mode
  • Clean, stable power from resonant LLC with DC-to-DC conversion
  • 400W ATX output for reliable system performance

400W ATX Power Supply for Modern Standby Builds

This KHACHIMO unit delivers 400W of continuous power in a standard ATX form factor. It is designed for desktop systems that require 80 PLUS Gold efficiency and Modern Standby compatibility. The power supply suits builders who want fast wake-from-sleep performance and low idle power draw without moving to a higher-wattage platform.

Gold Efficiency, Zero RPM Fan and LLC Topology

The 80 PLUS Gold certification means the unit runs efficiently across typical loads, reducing waste heat and fan noise. At low and medium loads the Zero RPM Fan Mode stops the fan completely for silent operation. Resonant LLC topology with DC-to-DC conversion provides stable voltage regulation, lowers coil whine and supports deeper sleep states.

Standard ATX Installation with Modern Standby Wiring

Installation follows normal ATX mounting and cabling procedures in compatible cases. The main requirement is a motherboard and chassis that fully support Modern Standby signalling so the fast wake and low-power states function correctly. Builders needing more than 400W for multi-GPU setups or heavy overclocking should choose a higher-capacity unit.

Points forts

  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw thanks to 80 PLUS Gold efficiency
  • Near-silent operation via Zero RPM fan mode
  • Clean, stable power from resonant LLC with DC-to-DC conversion
  • 400W ATX output for reliable system performance

Caractéristiques

TypeATX

Questions sur cet article

Will the fan need replacement after long-term use?

The Zero RPM fan mode stops the fan at low and medium loads, reducing wear and extending its service life.

What limit appears first under sustained load?

The 400 W rated output is the ceiling; exceeding it triggers protection and shuts the unit down.

How much noise and heat does it produce when running all day?

80 PLUS Gold efficiency keeps waste heat low, and the fan stays off at low and medium loads for near-silent operation.

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