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Rectangular ATX power supply unit with matte black metal casing and rear ventilation grille

KHACHIMO

KHACHIMO 240W ATX PSU 80 PLUS Gold Zero RPM Modern Standby LLC DC-DC

SKU CH-0TXB-4X9BQ

240 W ATX power supply with 80 PLUS Gold efficiency, Zero RPM fan mode, and LLC resonant DC-DC topology for Modern Standby systems

  • TypeATX
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low and medium loads for silent running
  • Resonant LLC with DC-DC conversion delivers clean power and reduces coil whine
  • Modern Standby compatible for fast wake-from-sleep and better low-load efficiency
  • 240 W ATX output powers compatible systems reliably

240 W ATX Power Supply for Modern Standby PCs

This 240 W ATX unit targets compact or low-power desktop builds that rely on Modern Standby sleep states. It is not suited for systems with discrete graphics cards or high-wattage processors that demand more headroom.

80 PLUS Gold efficiency with Zero RPM fan mode

The Gold rating keeps power draw, heat and noise low during typical workloads. At light and medium loads the fan stops completely, eliminating audible noise, while the LLC resonant topology with DC-to-DC conversion maintains tight voltage regulation and reduces coil whine.

Modern Standby support enables faster wake times

The platform-compatible design allows the PC to enter and exit low-power sleep states more quickly than older ATX units. No extra cables or software utilities are mentioned, so installation follows standard ATX wiring.

Highlights

  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low and medium loads for silent running
  • Resonant LLC with DC-DC conversion delivers clean power and reduces coil whine
  • Modern Standby compatible for fast wake-from-sleep and better low-load efficiency
  • 240 W ATX output powers compatible systems reliably

Specifications

TypeATX

Questions about this item

How do I install this 240 W ATX power supply and which step is most often missed?

Mount the unit in the case with the four chassis screws, connect the 24-pin motherboard cable and the CPU power cable, then verify the main power switch on the rear is set to the on position before pressing the case power button.

What maintenance or replacement will this PSU need over time?

The Zero RPM fan will eventually accumulate dust; clean the intake grill with compressed air every six to twelve months, and replace the unit if coil whine appears or efficiency drops below the 80 PLUS Gold threshold.

Which limit appears first when this 240 W supply runs under sustained load?

The 240 W total output ceiling is reached before thermal or current limits on any single rail, so continuous draw above that rating will trigger over-power protection and shut the unit down.

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