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Rectangular black metal ATX power supply unit with ventilation grille and fan visible

KHACHIMO

KHACHIMO FSP400-60HLN 400W ATX Power Supply

SKU CH-JQKJ-DS1R7

An ATX power supply delivering 400W with 80 PLUS Gold efficiency, zero-RPM fan mode, Modern Standby compatibility and resonant LLC topology with DC-to-DC conversion

  • TypeATX
  • Modern Standby compatible for fast wake-from-sleep times
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads for silent operation
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine
  • 400W ATX power supply built for reliable system performance

ATX 400W Power Supply for Modern PCs

The KHACHIMO FSP400-60HLN is a 400W ATX unit built for desktop systems that require reliable power delivery with high efficiency. It suits builders assembling new workstations or upgrading existing towers where a Gold-rated supply is preferred. The 80 PLUS Gold certification ensures lower energy waste and reduced heat output during daily workloads. It is not intended for high-end multi-GPU configurations or servers needing redundant power modules.

Modern Standby Support and Silent Cooling

Modern Standby compatibility allows the system to wake from sleep almost instantly while maintaining very low power draw at idle. The Zero RPM fan mode stops the cooling fan completely during light and medium loads, eliminating audible noise for quiet environments. Resonant LLC topology combined with DC-to-DC conversion delivers stable voltages and minimises coil whine. These features work together without requiring additional software or manual configuration.

Build Quality and Connector Implications

The ATX form factor fits standard chassis mounting points for straightforward installation in typical tower cases. Gold-rated components and the LLC resonant design contribute to consistent performance and long-term durability under continuous operation. Clean power output protects sensitive components such as CPUs and storage drives from voltage fluctuation. The fixed cable set means builders must plan routing carefully in compact enclosures.

Highlights

  • Modern Standby compatible for fast wake-from-sleep times
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads for silent operation
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine
  • 400W ATX power supply built for reliable system performance

Specifications

TypeATX

Questions about this item

Will the fan on this FSP400-60HLN unit need replacing after long-term use?

The Zero RPM Fan Mode stops the fan at low and medium loads, reducing wear and extending the interval before any replacement might be needed.

Which limit appears first when this 400W supply runs continuously at high load?

Sustained high load pushes the unit toward its 400W rated output ceiling, which is the primary constraint before thermal or efficiency limits are reached.

How much noise and heat does this 80 PLUS Gold ATX supply produce during all-day operation?

Gold-rated efficiency lowers waste heat and power draw, while Zero RPM mode keeps the fan off at lighter loads for near-silent running.

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