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Silver ATX power supply unit with black fan grille and side label

KHACHIMO

KHACHIMO Power ONE 250W Power Supply CPA250-4530

SKU CH-9QWG-W2PBQ

A 250 W ATX unit with 80 PLUS Gold efficiency, Modern Standby support, a Zero RPM fan mode and resonant LLC plus DC-to-DC topology for clean, quiet power delivery

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stays off at low loads for silent running
  • Resonant LLC with DC-to-DC gives clean, stable power
  • ATX 250W unit built for Power ONE CPA250-4530

250 W ATX power supply

This 250 W ATX unit is built for compact desktops and small-form-factor systems that need reliable, efficient power without excess capacity. It suits office workstations, media PCs and light productivity builds where a lower-wattage design keeps cabling tidy and heat output low.

Modern Standby and zero-RPM fan

Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency for everyday responsiveness. The 80 PLUS Gold certification reduces power draw, noise and operating temperatures, while the zero-RPM fan mode stops the fan completely at low and medium loads for near-silent running.

Resonant LLC topology with DC-to-DC conversion

The resonant LLC topology with DC-to-DC conversion delivers clean, consistent power, reduces coil whine and supports more energy-efficient sleep states. This design replaces older group-regulated units that struggle with transient loads and modern sleep states; it is not suited for high-power gaming rigs or multi-GPU configurations that demand substantially more wattage.

Points forts

  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stays off at low loads for silent running
  • Resonant LLC with DC-to-DC gives clean, stable power
  • ATX 250W unit built for Power ONE CPA250-4530

Caractéristiques

TypeATX

Questions sur cet article

What ATX standard does the CPA250-4530 follow and what power limit does it set?

The CPA250-4530 is an ATX unit rated at 250 W continuous output.

What physical mounting does this ATX power supply require?

It fits a standard ATX mounting bay with four rear screw holes and typical depth clearance.

How is the CPA250-4530 installed and which step is often missed?

Mount the unit, connect the 24-pin ATX and 4/8-pin CPU cables, then enable Modern Standby in the BIOS so the fast wake and low-load efficiency features actually work.

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