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Silver ATX power supply unit with cooling fan and cable bundle

KHACHIMO

KHACHIMO 250W ATX Power Supply MPW250-28A

SKU CH-YJD2-02RFD

A 250 W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for quiet, low-power sleep states

  • TypeATX
  • Modern Standby support gives extremely fast wake times and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower consumption, less noise and cooler running
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • 250 W ATX power supply with 80 PLUS Gold efficiency

250W ATX Power Supply for Modern Standby

The KHACHIMO MPW250-28A is a 250W ATX power supply built for systems that use Modern Standby. It carries 80 PLUS Gold certification and uses a resonant LLC topology with DC-to-DC conversion to deliver clean, consistent power while supporting efficient sleep states. The 28A rating on the main rail provides stable output for typical desktop components.

Suited for compact or efficiency-focused builds

This unit suits builders who want low power draw, quiet operation and fast wake-from-sleep behaviour in a standard ATX form factor. The Zero RPM fan mode stops the fan completely at low and medium loads for near-silent running. Systems that demand higher continuous wattage or multiple high-power graphics cards should look at a higher-capacity supply.

Sustained load behaviour with Gold efficiency

Under sustained load the resonant LLC topology with DC-to-DC conversion maintains tight voltage regulation and reduces coil whine. The 80 PLUS Gold rating ensures high efficiency across the load range, keeping temperatures lower and fan speeds down. Zero RPM mode remains inactive during heavy demand, allowing active cooling to handle the thermal output.

Points forts

  • Modern Standby support gives extremely fast wake times and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower consumption, less noise and cooler running
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • 250 W ATX power supply with 80 PLUS Gold efficiency

Caractéristiques

TypeATX

Questions sur cet article

Does my motherboard need a 24-pin ATX connector to use this 250W PSU?

Yes, this unit follows the ATX form factor and requires a standard 24-pin motherboard power connector to operate.

Will the Zero RPM fan mode stay silent if I keep an older mechanical hard drive?

The fan stops at low and medium loads, but a spinning mechanical drive adds load that may keep the fan running depending on total system draw.

How do I verify the 80 PLUS Gold efficiency is active after installation?

Monitor AC wall power versus DC output with a power meter; the PSU should meet Gold efficiency targets at typical loads.

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