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Rectangular ATX power supply unit with matte black metal casing and rear cooling fan grille

KHACHIMO

KHACHIMO FSP 48V 400W ATX Power Supply FSP400-60DL

SKU CH-5WDA-Z7ESW

A 48V 400W ATX power supply with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby support

  • TypeATX
  • Modern Standby support enables extremely fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower consumption, less noise and cooler temps
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean power and reduces coil whine
  • ATX form factor 48 V 400 W switching supply fits standard builds

48V ATX Power Supply for Modern Standby Systems

The KHACHIMO FSP 48V 400W ATX unit targets builders who need a high-efficiency supply that works with Modern Standby sleep states. Its DC-to-DC conversion and resonant LLC topology deliver clean power for stable low-load operation. The 80 PLUS Gold rating confirms strong efficiency across typical workloads. This supply suits compact or quiet-focused builds that rely on fast wake times.

Thermals Noise and Power Draw

Zero RPM fan mode keeps the unit silent at low and medium loads by stopping the fan completely. The 80 PLUS Gold certification reduces waste heat, which helps lower internal case temperatures during normal use. Resonant LLC topology with DC-to-DC conversion minimises coil whine for quieter operation. These features combine to support cooler and quieter performance in everyday scenarios.

Upgrade Path and Compatibility

This unit replaces older ATX supplies that lack Modern Standby support or efficient low-load behaviour. The jump is worthwhile when moving from a standard Bronze or non-certified model to gain faster wake-from-sleep and reduced idle power. It is not for systems requiring higher wattage than 400W or builds needing a different input voltage than 48V.

Points forts

  • Modern Standby support enables extremely fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower consumption, less noise and cooler temps
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean power and reduces coil whine
  • ATX form factor 48 V 400 W switching supply fits standard builds

Caractéristiques

TypeATX

Questions sur cet article

How do I install the FSP400-60DL in a standard ATX case and what step is often missed?

Mount the unit with four screws, connect the 24-pin ATX and CPU power cables, then enable Modern Standby in the motherboard BIOS so the fast wake-from-sleep feature actually works.

What maintenance or replacement will the FSP400-60DL need over time?

The 80 PLUS Gold efficiency stays consistent, but dust buildup can block airflow; clean the intake vents periodically and replace the unit if the Zero RPM fan mode stops engaging at low loads.

What limit appears first when the FSP400-60DL runs at sustained high load?

The 400 W maximum output is the hard ceiling; once total system draw reaches that level the protection circuit will shut the supply down to prevent damage.

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