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Rectangular metal PSU unit with fan grille and cable bundle

KHACHIMO

KHACHIMO ATX-0670GA2 700W ATX power supply

SKU CH-K42V-3NT4J

An ATX power supply delivering 700W with 80 PLUS Gold efficiency, Modern Standby support, a Zero RPM fan mode and resonant LLC topology for quiet, stable power

  • TypeATX
  • 80 PLUS Gold certification cuts energy use and keeps temperatures lower
  • Zero RPM fan mode stops the fan at low and medium loads for silent operation
  • Modern Standby compatibility gives extremely fast wake-from-sleep and better low-load efficiency
  • Resonant LLC topology with DC-to-DC conversion delivers clean power and reduces coil whine
  • 700W ATX power supply rated for modern system builds

KHACHIMO 700W ATX power supply for modern PCs

This KHACHIMO ATX-0670GA2 unit delivers 700W of continuous power through an ATX form factor. It targets builders who want efficient, quiet operation in a standard desktop chassis. The 80 PLUS Gold certification confirms high efficiency across typical loads. Modern Standby compatibility ensures fast wake-from-sleep response for contemporary systems.

Fits ATX cases with standard cable routing needs

The power supply uses an ATX footprint that matches mainstream case cut-outs and mounting points. Resonant LLC topology with DC-to-DC conversion provides stable rails for CPU, GPU and storage devices. Zero RPM fan mode keeps the unit silent during light workloads, freeing acoustic headroom for other components. Builders needing non-ATX form factors or proprietary connectors should look elsewhere.

Sustained load behaviour with Gold-rated efficiency

Under continuous demand the 80 PLUS Gold rating maintains high efficiency, reducing waste heat and keeping internal temperatures lower. The LLC resonant design with DC-to-DC conversion supplies clean power without coil whine during extended sessions. Zero RPM mode disengages automatically as load rises, ensuring active cooling when required. Systems expecting fanless operation at high output are not suited to this design.

Highlights

  • 80 PLUS Gold certification cuts energy use and keeps temperatures lower
  • Zero RPM fan mode stops the fan at low and medium loads for silent operation
  • Modern Standby compatibility gives extremely fast wake-from-sleep and better low-load efficiency
  • Resonant LLC topology with DC-to-DC conversion delivers clean power and reduces coil whine
  • 700W ATX power supply rated for modern system builds

Specifications

TypeATX

Questions about this item

What sustained-load limit appears first on this 700 W unit?

The 80 PLUS Gold rating guarantees at least 80 % efficiency at typical loads, so waste heat rather than output capacity becomes the first practical limit under sustained use.

How much noise and heat should I expect when it runs all day?

Zero RPM mode stops the fan completely at low and medium loads, while the LLC resonant topology with DC-to-DC conversion cuts coil whine, keeping noise and temperatures low during continuous operation.

What must my system already have for this PSU to work?

A standard ATX case and motherboard with 24-pin ATX and 4/8-pin CPU power connectors are required; the unit follows the ATX form factor and pin-out.

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