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Rectangular black ATX power supply unit with fan grille visible

KHACHIMO

KHACHIMO SP450-RP 450W 650W Peak ATX Power Supply

SKU CH-JXTT-E2130

ATX power supply delivering 450 W continuous and 650 W peak with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC plus DC-to-DC topology for clean, quiet power

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw thanks to 80 PLUS Gold efficiency
  • Near-silent operation from Zero RPM fan mode
  • Clean power delivery via LLC resonant topology
  • Enables efficient sleep states with DC-to-DC conversion

KHACHIMO SP450-RP ATX Power Supply

The KHACHIMO SP450-RP is a new ATX power supply rated for 450 W continuous output with a 650 W peak capability. It targets desktop builders who need reliable power for mid-range components and value high efficiency at typical loads. The unit carries 80 PLUS Gold certification and supports Modern Standby for rapid wake times. It is not suited for systems demanding sustained output above its rated wattage or builds requiring multiple high-power graphics cards.

80 PLUS Gold Efficiency and Peak Power Limits

The 80 PLUS Gold rating ensures high efficiency across normal operating ranges, reducing waste heat and lowering electricity draw. Continuous delivery is capped at 450 W, while the 650 W peak figure only applies to brief transient spikes. Sustained loads beyond the rated figure will trigger protection circuits or cause instability. The design uses resonant LLC topology with DC-to-DC conversion to maintain tight voltage regulation under varying demand.

Zero RPM Fan Mode and Installation Notes

A Zero RPM fan mode stops the cooling fan entirely at low and medium loads, delivering near-silent operation during idle or light work. Standard ATX dimensions and connector layouts allow straightforward installation in most chassis. Builders must verify that their case provides adequate airflow for the power supply when the fan engages under heavier loads. Cable routing should avoid sharp bends near the unit’s rear to prevent strain on the fixed cables.

Puntos fuertes

  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw thanks to 80 PLUS Gold efficiency
  • Near-silent operation from Zero RPM fan mode
  • Clean power delivery via LLC resonant topology
  • Enables efficient sleep states with DC-to-DC conversion

Especificaciones

TypeATX

Preguntas sobre este artículo

Is the 450 W or the 650 W peak rating the figure I should use when matching this PSU to my build?

Treat the 450 W rating as the continuous power the unit can deliver; the 650 W peak is a short-term headroom figure only.

What does the 80 PLUS Gold label mean for everyday use in my PC?

The Gold certification confirms high efficiency across typical loads, so the unit draws less power from the wall and runs cooler and quieter.

How does the ATX form factor and LLC resonant topology with DC-to-DC conversion affect what I can connect?

Standard ATX dimensions fit regular cases, while the LLC resonant design with DC-to-DC conversion provides stable voltages for modern components and sleep states.

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