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Rectangular ATX power supply unit in matte black finish with cooling fan grille and cable bundle visible

KHACHIMO

KHACHIMO MD1120 485W ATX Power Supply

SKU CH-6Y19-F5FMB

An 80 PLUS Gold ATX unit with 485W output, Modern Standby support, Zero RPM fan mode and resonant LLC topology for clean, quiet power

  • TypeATX
  • Modern Standby compatibility enables near-instant wake from sleep
  • 80 PLUS Gold certification cuts power draw and keeps temperatures lower
  • Zero RPM fan mode stops the fan at low and medium loads for silent running
  • Resonant LLC topology with DC-to-DC conversion delivers clean power and reduces coil whine
  • 485 W ATX output handles mid-range builds with stable voltage rails

485W ATX Power Supply for Modern Standby Builds

This KHACHIMO unit delivers 485 watts of continuous power through an ATX form factor suited to mainstream desktop builds. It targets system integrators and upgraders who need reliable efficiency and fast wake-from-sleep behaviour without over-provisioning wattage. The 80 PLUS Gold rating confirms high efficiency across typical load ranges. Modern Standby compatibility ensures the platform enters and exits low-power states quickly.

Fits Standard ATX Cases and Frees Acoustic Headroom

The supply mounts in any chassis with a standard ATX PSU cut-out and uses a single cooling fan that stops completely at low and medium loads. Zero RPM Fan Mode removes fan noise during office work or media playback, leaving only component noise from the rest of the build. Resonant LLC topology with DC-to-DC conversion keeps voltage regulation tight, reducing coil whine that can distract in quiet rooms. Clean power output also supports deeper sleep states for the whole platform.

Gold Efficiency Lowers Heat

At 80 PLUS Gold efficiency the unit wastes less energy as heat, so case temperatures stay lower and the fan remains off longer. When the fan does spin, the resonant LLC design minimises audible switching noise. The combination of high efficiency, fan-off operation and reduced coil whine makes the supply practically inaudible under typical desktop workloads. Power draw from the wall scales closely with actual system demand.

Highlights

  • Modern Standby compatibility enables near-instant wake from sleep
  • 80 PLUS Gold certification cuts power draw and keeps temperatures lower
  • Zero RPM fan mode stops the fan at low and medium loads for silent running
  • Resonant LLC topology with DC-to-DC conversion delivers clean power and reduces coil whine
  • 485 W ATX output handles mid-range builds with stable voltage rails

Specifications

TypeATX

Questions about this item

What limits the KHACHIMO MD1120 under sustained full-load operation?

The 485 W maximum output caps continuous delivery; drawing more triggers over-current protection and shuts the unit down.

How does noise, heat and power draw behave during all-day use?

80 PLUS Gold efficiency keeps waste heat low, while Zero RPM mode stops the fan at light loads and resonant LLC topology suppresses coil whine.

What must the builder already own for this PSU to function?

A standard ATX case, motherboard with 24-pin and CPU power connectors, and AC mains cable are required for installation.

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