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KHACHIMO 300W ATX power supply unit, matte black finish

KHACHIMO

KHACHIMO CPCIAC-3U-300W 900-4002-20 power supply

SKU CH-PCZC-ZCGM2

300W ATX power supply, 80 PLUS Gold certified, with zero-RPM fan mode and Modern Standby support for fast wake times

  • TypeATX
  • Modern Standby gives extremely fast wake times
  • 80 PLUS Gold efficiency lowers power use and heat
  • Zero RPM fan stops completely at low load
  • Resonant LLC with DC-to-DC cuts coil whine
  • ATX form factor fits standard chassis builds

300 W ATX power supply

The KHACHIMO CPCIAC-3U-300W is a 300 watt ATX power supply built for modern desktop systems. It carries 80 PLUS Gold certification and supports Modern Standby for rapid wake-from-sleep performance. The unit suits builders who value low-load efficiency and quiet operation in a standard form factor.

Compatibility and connectors

Verify that your motherboard and components require no more than 300 watts of continuous power. Confirm the ATX main connector and any peripheral cables match your build before ordering. Systems with high-end graphics cards or multiple drives may exceed this unit's capacity.

Build quality and daily use

Resonant LLC topology with DC-to-DC conversion delivers clean power and reduces coil whine. Zero RPM fan mode stops the fan at low and medium loads for near-silent running. Gold-rated efficiency keeps temperatures lower during typical workloads.

Highlights

  • Modern Standby gives extremely fast wake times
  • 80 PLUS Gold efficiency lowers power use and heat
  • Zero RPM fan stops completely at low load
  • Resonant LLC with DC-to-DC cuts coil whine
  • ATX form factor fits standard chassis builds

Specifications

TypeATX

Questions about this item

What cables or connectors come in the box with the KHACHIMO CPCIAC-3U-300W 900-4002-20?

The unit ships with the standard ATX power cables required for a typical desktop build; no separate cable kit is needed.

How do I decide between the available versions of this 300 W model?

The part number 900-4002-20 identifies a single 300 W configuration; there are no alternative capacities or versions to choose from.

What does the 80 PLUS Gold rating mean for daily use of this power supply?

It certifies high efficiency across a wide load range, reducing power draw, heat output and fan noise during normal operation.

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