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Rectangular ATX power supply unit with cooling fan and cable connectors

KHACHIMO

KHACHIMO PBA50F-24 24V 2.2A 50W power supply

SKU CH-58DM-MNHJ2

Delivers 24 V at 2.2 A for 50 W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • TypeATX
  • Fast wake and low-load efficiency with Modern Standby support
  • 80 PLUS Gold certification delivers high efficiency and cooler running
  • Fan stops at low and medium loads for silent operation
  • Resonant LLC topology with DC-to-DC conversion gives clean power and less coil whine
  • 24 V 2.2 A output provides 50 W of reliable power

50 W ATX supply for compact builds

The KHACHIMO PBA50F-24 delivers 24 V at 2.2 A in a standard ATX form factor, making it a direct fit for small-form-factor PCs and industrial boards that need a 50 W source without excess cable bulk. Modern Standby compatibility ensures the system wakes from sleep almost instantly while maintaining low idle draw.

Gold efficiency with silent fan profile

An 80 PLUS Gold rating keeps waste heat and electricity use low, while the Zero RPM mode stops the fan completely at light and medium loads for near-silent desktop operation. Resonant LLC topology paired with DC-to-DC conversion reduces coil whine and supplies clean, stable rails that support deeper sleep states.

Upgrade from louder or less efficient units

This unit replaces older supplies that lack Gold certification or semi-passive cooling, cutting both noise and running costs in always-on or sleep-heavy workloads. The jump is worthwhile when a compact chassis demands a short, quiet 50 W ATX brick that supports Modern Standby.

Highlights

  • Fast wake and low-load efficiency with Modern Standby support
  • 80 PLUS Gold certification delivers high efficiency and cooler running
  • Fan stops at low and medium loads for silent operation
  • Resonant LLC topology with DC-to-DC conversion gives clean power and less coil whine
  • 24 V 2.2 A output provides 50 W of reliable power

Specifications

TypeATX

Questions about this item

What does the 80 PLUS Gold certification mean for the PBA50F-24 in real use?

The 80 PLUS Gold rating guarantees high efficiency across typical loads, which lowers power draw, reduces heat output and keeps fan noise lower than less efficient units.

What physical space and mounting does this ATX power supply require?

It uses the standard ATX form factor, so it fits any ATX-compatible case with four rear mounting screws and needs clearance for the rear fan exhaust.

How is the PBA50F-24 installed and what step do builders often miss?

Mount the unit with four screws, connect the 24-pin motherboard and CPU power cables, then ensure the PSU power switch is set to 'on' before pressing the case power button.

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