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Compact black ATX power supply unit with cooling fan grille

KHACHIMO

KHACHIMO 280W ATX Power Supply Gold Zero RPM Modern Standby LLC DC-DC

SKU CH-A52A-SGFTE

A 280 W ATX power supply with 80 PLUS Gold efficiency, Zero RPM fan mode and LLC DC-DC topology for silent, efficient Modern Standby operation

  • TypeATX
  • Fast wake from sleep with Modern Standby support
  • High efficiency cuts power use and heat with 80 PLUS Gold
  • Silent low-load operation via Zero RPM fan mode
  • Clean, stable power from LLC resonant topology with DC-DC conversion
  • Cooler, quieter running thanks to high efficiency and fan-off design

280 W ATX Gold Power Supply

This 280 W ATX unit carries 80 PLUS Gold certification and is built for small-form-factor or office PCs that need efficient, reliable power. It targets system integrators and upgraders replacing OEM units in compact chassis where a standard PSU will not fit.

Sustained load behaviour

Resonant LLC topology with DC-to-DC conversion delivers clean, consistent output under continuous demand while reducing coil whine. The 80 PLUS Gold rating ensures high efficiency across the load range, keeping temperatures lower during extended operation.

Installation and common issues

Zero RPM fan mode stops the fan at low and medium loads for near-silent running, and Modern Standby compatibility enables extremely fast wake-from-sleep times. Buyers needing higher wattage for discrete graphics cards or multi-drive arrays should look elsewhere.

Points forts

  • Fast wake from sleep with Modern Standby support
  • High efficiency cuts power use and heat with 80 PLUS Gold
  • Silent low-load operation via Zero RPM fan mode
  • Clean, stable power from LLC resonant topology with DC-DC conversion
  • Cooler, quieter running thanks to high efficiency and fan-off design

Caractéristiques

TypeATX

Questions sur cet article

How loud does the 280W unit get when it runs all day?

The fan stays off at low and medium loads, so the power supply is near-silent during typical all-day use.

What connectors must my motherboard already have for this 280W PSU to work?

It uses a standard ATX connector, so any motherboard with a 24-pin ATX power socket will work.

Will the 280W Gold PSU run reliably with an older motherboard that lacks Modern Standby?

Yes, the LLC resonant topology and DC-to-DC conversion deliver clean power regardless of the motherboard's sleep-state support.

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