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Rectangular ATX power supply unit in matte black finish with cooling fan grille visible

KHACHIMO

KHACHIMO 670 SC1420 650W ATX power supply

SKU CH-NE3H-H3GJZ

650 W ATX power supply with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby compatibility for fast wake times

  • TypeATX
  • Fast wake-from-sleep and better low-load efficiency with Modern Standby compatibility
  • Lower power consumption, less noise and cooler temperatures through 80 PLUS Gold certification
  • Near-silent operation at low and medium loads via Zero RPM Fan Mode
  • Clean, consistent power and reduced coil whine from Resonant LLC topology with DC-to-DC conversion
  • Energy-efficient sleep states enabled by Resonant LLC topology with DC-to-DC conversion

KHACHIMO 670 SC1420 650W ATX

This ATX power supply delivers 650W of continuous power for desktop builds. It suits system integrators and upgraders who need reliable, efficient energy delivery for modern components. The unit is brand new and ready for installation in standard ATX chassis.

80 PLUS Gold efficiency limits

The 80 PLUS Gold rating guarantees high efficiency at typical loads, reducing waste heat and lowering electricity draw. At very light or peak loads the efficiency curve naturally falls below the certified thresholds. Builders should note that the standard does not mandate performance outside its defined test points.

650W capacity and headroom

The 650W rating comfortably handles mainstream CPUs and single mid-range graphics cards with overhead for peripherals. Multi-GPU configurations or extreme overclocking scenarios will exceed the available wattage and require a higher-capacity unit. The DC-to-DC topology maintains stable voltages within the rated envelope.

Highlights

  • Fast wake-from-sleep and better low-load efficiency with Modern Standby compatibility
  • Lower power consumption, less noise and cooler temperatures through 80 PLUS Gold certification
  • Near-silent operation at low and medium loads via Zero RPM Fan Mode
  • Clean, consistent power and reduced coil whine from Resonant LLC topology with DC-to-DC conversion
  • Energy-efficient sleep states enabled by Resonant LLC topology with DC-to-DC conversion

Specifications

TypeATX

Questions about this item

Which 650W ATX model should I pick between the N650P-00 and NPS-650AB variants?

Both part numbers refer to the same KHACHIMO 670 SC1420 650W unit; choose whichever matches your existing label.

What does the 80 PLUS Gold rating deliver in my PC?

It guarantees at least 80% efficiency at typical loads, reducing waste heat and fan noise.

How does the ATX form factor limit this power supply?

The standard ATX size fits most mid- and full-tower cases but will not suit slim or SFX chassis.

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