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

KHACHIMO

KHACHIMO 48V 1.1A 50W ATX Power Supply

SKU CH-3K73-5D7KT

An ATX power supply delivering 48 volts at 1.1 amps for 50 watts with 80 PLUS Gold efficiency and a zero-RPM fan mode

  • TypeATX
  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps operation silent at low loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • 48 V 1.1 A output provides 50 W of reliable ATX power

48V 50W ATX Power Supply

The KHACHIMO 48V 1.1A 50W ATX power supply delivers 50 watts from a 48 volt rail. It carries 80 PLUS Gold certification for high efficiency and lower running costs. Resonant LLC topology with DC-to-DC conversion provides clean power and reduces coil whine. Modern Standby support enables fast wake times and efficient sleep states.

Suitable for low-power systems needing a 48V ATX

This unit fits builds that require a single 48V output at modest wattage. The Zero RPM fan mode keeps operation near-silent at low and medium loads. Builds needing higher total power, additional voltage rails or connectors for discrete graphics cards should look elsewhere.

50W total output at 48V

The 50 watt rating at 48 volts is the key figure that determines whether this supply meets a build’s power budget. Match this number against the combined draw of all components before purchasing.

Highlights

  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps operation silent at low loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • 48 V 1.1 A output provides 50 W of reliable ATX power

Specifications

TypeATX

Questions about this item

Does my motherboard need a 48 V input to use this ATX power supply?

Yes — this unit delivers a single 48 V rail rated at 1.1 A, so the board must accept that voltage.

Will the 80 PLUS Gold efficiency still benefit a system that mostly idles at very low load?

The Gold rating and Modern Standby support keep efficiency high even at light loads, and the fan stays off until the load rises.

How can I confirm the Zero RPM mode is active after I build the PC?

With the system idle, listen for the fan — it should remain completely stationary until the load increases past the low‑medium threshold.

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