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Silver ATX power supply unit with black cooling fan and cable bundle

KHACHIMO

KHACHIMO 300W ATX Power Supply P1A-6301P

SKU CH-9M62-XRYZP

A 300 W ATX unit with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for quiet, low-power sleep

  • TypeATX
  • Modern Standby support gives fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power use, less noise, cooler temps
  • 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
  • 300 W ATX output powers mainstream builds reliably

300W ATX Power Supply for Modern Standby

This KHACHIMO unit delivers 300 watts of continuous power in a standard ATX form factor. It carries 80 PLUS Gold certification for high efficiency across typical loads. The platform supports Modern Standby for rapid wake-from-sleep transitions. Resonant LLC topology with DC-to-DC conversion provides clean, stable output voltages.

Upgrade from lower-efficiency or noisy units

Replacing an older Bronze-rated or non-modular supply cuts power draw and reduces heat output. The jump is worthwhile when your build demands Gold-level efficiency and near-silent idle behaviour. Zero RPM fan mode eliminates fan noise at low and medium loads. The topology also suppresses coil whine for quieter overall operation.

Builds prioritising efficiency and silence

This supply suits compact or office systems where low power consumption and acoustic comfort matter. It fits any chassis accepting a standard ATX power supply. Builders needing higher wattage for discrete graphics cards or heavy overclocking should look at larger-capacity units. Systems requiring modular cabling for tight cable management will need a different model.

Points forts

  • Modern Standby support gives fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power use, less noise, cooler temps
  • 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
  • 300 W ATX output powers mainstream builds reliably

Caractéristiques

TypeATX

Questions sur cet article

What ATX case clearance is required for this 300 W unit?

The power supply follows the standard ATX form factor, so any case with an ATX PSU bay will accommodate it.

Which cables must be connected during installation to enable Modern Standby wake-up?

Connect the 24-pin ATX motherboard cable and the 4+4-pin CPU power cable; the firmware then handles the low-power states automatically.

How can I tell when the 80 PLUS Gold efficiency rating is no longer being met?

Efficiency is a design characteristic; if output voltages drift or the system becomes unstable under load, the unit should be replaced.

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