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Rectangular ATX power supply unit with matte black finish and ventilation grille

KHACHIMO

KHACHIMO 24V 150W ATX Power Supply ACS150B-24 80 PLUS Gold

SKU CH-AEJM-3M0SZ

24V ATX power supply delivering 150W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low loads
  • Resonant LLC plus DC-to-DC gives clean power and less coil whine
  • ATX 24 V 150 W unit built for compact systems

24V 150W ATX Power Supply

The KHACHIMO ACS150B-24 is a 24 volt ATX power supply rated at 150 watts. It targets compact or specialised builds that require a 24 volt input and value high efficiency in a small form factor.

Upgrading from lower-efficiency units

Replacing an older supply without 80 PLUS Gold certification reduces power draw, heat output and fan noise. The jump is worth it when the system runs long hours or uses Modern Standby sleep states that demand strong low-load efficiency.

Installation and common issues

Standard ATX mounting and connectors make the swap straightforward for experienced builders. The Zero RPM fan mode stays silent at low and medium loads, so do not assume a fault if the fan does not spin immediately. Resonant LLC topology with DC-to-DC conversion minimises coil whine, but verify that your chassis airflow can handle the unit when the fan does engage under heavier loads.

Highlights

  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low loads
  • Resonant LLC plus DC-to-DC gives clean power and less coil whine
  • ATX 24 V 150 W unit built for compact systems

Specifications

TypeATX

Questions about this item

What ATX mounting dimensions does the 150 W unit require?

It uses the standard ATX form factor, so it fits any chassis with regular ATX screw spacing and depth clearance.

Which cables must be connected during installation, and which step is often missed?

Connect the 24 V DC output leads and the ATX main power connector; the step most often missed is seating the 24-pin motherboard plug fully until the latch clicks.

When should the internal fan be cleaned or the unit replaced?

Clean the fan intake when dust builds up; the Zero RPM mode keeps the fan off at low loads, reducing wear, so replacement is only needed if output voltage drifts or noise appears.

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