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Standard ATX power supply unit with black metal casing and rear fan grille

KHACHIMO

KHACHIMO 275W ATX Power Supply 80+ Gold

SKU CH-9NG0-Y6XDQ

An 80 PLUS Gold ATX power supply with 275 W output, zero-RPM fan mode and Modern Standby compatibility for quiet, efficient operation

  • TypeATX
  • Modern Standby compatibility enables rapid wake-from-sleep
  • 80 PLUS Gold certification cuts power draw and heat
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • ATX form factor fits standard desktop chassis

275W ATX power supply for modern standby systems

This 275-watt ATX unit is built for compact or low-power desktops that rely on modern standby sleep states. The 80 PLUS Gold certification keeps efficiency high at typical loads, reducing heat and fan activity. It suits office workstations, small-form-factor builds or upgrade projects where a standard higher-wattage supply would be oversized.

Replaces older low-wattage ATX units lacking

If an existing supply cannot wake the system quickly from sleep or runs its fan constantly at idle, this model adds zero-RPM mode and resonant LLC topology with DC-to-DC conversion. The jump is worth it when the platform uses modern standby and the current unit causes coil whine or slow resume times.

Sustained load behaviour with zero-RPM fan mode

Under continuous low-to-medium loads the fan remains off, so acoustic output stays near zero while the resonant LLC design maintains clean power delivery. At higher sustained loads the fan engages to manage temperature, and the Gold-rated efficiency limits waste heat so thermal throttling is less likely during extended work sessions.

Highlights

  • Modern Standby compatibility enables rapid wake-from-sleep
  • 80 PLUS Gold certification cuts power draw and heat
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • ATX form factor fits standard desktop chassis

Specifications

TypeATX

Questions about this item

Will this 275 W ATX unit fit a standard chassis cut-out and screw pattern?

Yes, it follows the ATX form factor so it mounts in any case with a standard ATX power-supply opening and four rear screws.

What is the common mistake when installing the modular cables on this supply?

Forgetting to seat each modular plug fully until it clicks; a loose pin can cause intermittent power or prevent the system from starting.

How often should the internal fan be cleaned to keep the Zero RPM mode working?

Blow dust out of the fan grill every six to twelve months; heavy build-up stops the fan from spinning down at low load.

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