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Rectangular silver ATX power supply unit with fan grille and modular cable sockets

KHACHIMO

KHACHIMO DPSN-125CP 125W ATX Gold Power Supply

SKU CH-15KM-4YF9B

ATX 125 W Gold power supply with Modern Standby, zero-RPM fan mode and LLC resonant DC-to-DC topology for quiet, efficient operation

  • TypeATX
  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops at low loads for silent running
  • LLC resonant topology with DC-to-DC for stable rails
  • Clean power delivery reduces coil whine and noise

Modern Standby Ready 125W ATX Unit

This 125-watt ATX power supply targets compact desktop builds and replacement scenarios where a low-wattage, high-efficiency unit is required. Its Gold certification and Modern Standby support suit systems that spend long periods in sleep states and need rapid wake response.

Topology And Fan Behaviour

The resonant LLC design with DC-to-DC conversion delivers stable output while suppressing coil whine. A zero-RPM mode stops the fan completely at low and medium loads, eliminating acoustic noise during typical office or idle workloads.

125W Capacity Constraint

The 125-watt ceiling restricts use to integrated-graphics platforms or very low-power discrete cards; it cannot support mid-range or high-end GPUs. Builders needing more headroom for additional drives, expansion cards or stronger graphics must select a higher-wattage unit.

Highlights

  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops at low loads for silent running
  • LLC resonant topology with DC-to-DC for stable rails
  • Clean power delivery reduces coil whine and noise

Specifications

TypeATX

Questions about this item

Will the 125W fan need periodic cleaning or replacement under continuous use?

The Zero RPM Fan Mode stops the fan at low and medium loads, reducing dust buildup and wear; cleaning intervals depend on your environment rather than a fixed schedule.

At what load does the 80 PLUS Gold efficiency curve stop improving and heat become the limiting factor?

Efficiency peaks around 50 % load; above that the 125W unit still meets Gold targets but waste heat rises proportionally with output, so sustained loads near 125W produce the most heat.

How audible is the power supply when it runs 24/7 at typical desktop loads?

At low and medium loads the Zero RPM mode keeps the fan completely off for near-silent operation; the fan only spins under heavier loads, and the LLC topology with DC-to-DC conversion minimises coil whine.

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