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Rectangular ATX power supply unit in matte black finish with rear fan grille and side label

KHACHIMO

KHACHIMO Power Supply 54V 10A 80 PLUS Gold ATX

SKU CH-PHB3-3K93V

An ATX unit delivering 54 volts at 10 amps with 80 PLUS Gold efficiency, Modern Standby support, a Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion for clean, quiet power

  • TypeATX
  • 80 PLUS Gold certification reduces power draw and heat
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Modern Standby support enables faster wake times and better idle efficiency
  • Resonant LLC topology with DC-to-DC conversion delivers stable power and lowers coil whine
  • ATX form factor fits standard desktop builds

Specialised 54V ATX Power Supply

This KHACHIMO unit delivers a fixed 54V output at 10A and is built to the ATX form factor. It carries 80 PLUS Gold certification and includes Modern Standby support for rapid wake times. A resonant LLC topology with DC-to-DC conversion supplies clean power while reducing coil whine. The zero-RPM fan mode stops the fan completely at low and medium loads for near-silent running.

For SUPLET-compatible systems only

It suits owners of hardware that requires a 54V 10A ATX source, such as the SUPLET platform referenced in the supplier title. Builders assembling a conventional PC that expects standard ATX voltages should look at a different power supply. The specialised output makes it unsuitable for general desktop builds.

Fixed 54V 10A output

The single specification that decides fit is the 54V 10A fixed-output design. Only systems engineered for this exact voltage and current combination can use the unit safely.

Highlights

  • 80 PLUS Gold certification reduces power draw and heat
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Modern Standby support enables faster wake times and better idle efficiency
  • Resonant LLC topology with DC-to-DC conversion delivers stable power and lowers coil whine
  • ATX form factor fits standard desktop builds

Specifications

TypeATX

Questions about this item

How do I install this ATX power supply in a standard case and connect the 54 V output?

Mount the unit with four screws in the ATX cut-out, route the main cables behind the motherboard tray, and plug the 54 V connector into the SUPLET device; the step often missed is confirming the C283A718-220S54 pin-out matches before powering on.

What maintenance will this 80 PLUS Gold unit need over time?

Dust the intake grill every few months; the Zero RPM fan mode means the fan spins less, but when it does run dust still builds up, so a quick blast of compressed air keeps airflow and efficiency high.

What limit appears first when the supply runs at full 10 A load continuously?

The 10 A current ceiling on the 54 V rail is reached first; the protection circuit will shut the unit down before thermal limits are hit.

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