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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

  • Product 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.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $495.99
Pricier than about 90% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product 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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