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

KHACHIMO

KHACHIMO 3.3V 60A 300W ATX Power Supply 80 PLUS Gold

SKU CH-0HRD-M43K1

ATX unit delivering 3.3 V at 60 A with 300 W output and 80 PLUS Gold efficiency

  • TypeATX
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Resonant LLC topology with DC-to-DC conversion delivers clean power and reduces coil whine
  • Modern Standby support enables extremely fast wake-from-sleep times
  • Single 3.3 V rail rated at 60 A supplies 300 W of stable output

3.3V 60A ATX Supply

This KHACHIMO unit delivers 300 W at 3.3 V and 60 A, matching the TDK-Lambda HWS300-3 specification for ATX form-factor systems. It suits builders who need a direct replacement for that industrial platform or a compact, efficient source for low-voltage rails.

Sustained Load Behaviour

The resonant LLC topology with DC-to-DC conversion maintains clean, consistent output during continuous operation rather than brief peaks. Zero RPM fan mode keeps the cooler idle at low and medium loads, reducing acoustic output while the 80 PLUS Gold efficiency curbs waste heat over long sessions.

Interface Practical Limits

Modern Standby compatibility enables rapid wake-from-sleep transitions and improved low-load efficiency within the ATX power-management framework. The design targets the electrical envelope defined by the 3.3 V, 60 A rating without exceeding the thermal or acoustic boundaries set by the Gold certification.

Pluspunten

  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Resonant LLC topology with DC-to-DC conversion delivers clean power and reduces coil whine
  • Modern Standby support enables extremely fast wake-from-sleep times
  • Single 3.3 V rail rated at 60 A supplies 300 W of stable output

Specificaties

TypeATX

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How quiet is the KHACHIMO 300W ATX supply under all-day load?

The Zero RPM fan mode stops the fan entirely at low and medium loads, and the resonant LLC topology with DC-to-DC conversion reduces coil whine for quieter operation.

What cables or connectors must I already have to install this KHACHIMO unit?

The power supply uses standard ATX connectors, so your motherboard must provide a 24-pin main power socket and the usual CPU and peripheral headers.

Will this 3.3V 60A KHACHIMO PSU work with older components I plan to keep?

It delivers 60 A on the 3.3 V rail and 300 W total, matching the TDK-Lambda HWS300-3 specification for compatible legacy hardware.

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