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Rectangular black metal ATX power supply unit with cooling fan grille and cable bundle

KHACHIMO

KHACHIMO 450W ATX Power Supply F1U450WPSU 80 PLUS Gold

SKU CH-YW08-QPS3T

A 450W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for silent, low-power operation

  • TypeATX
  • Modern Standby support for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified at 80 % efficiency for lower power draw and 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 delivers clean, consistent power
  • 450 W ATX output supports energy-efficient sleep states and reduced coil whine

KHACHIMO 450W ATX Power Supply

The KHACHIMO F1U450WPSU is a 450W ATX power supply built for mainstream desktop builds and upgrades. It carries 80 PLUS Gold certification for high efficiency and runs a Zero RPM fan mode that stops the fan at low and medium loads. Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency. Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine.

Upgrade from lower-efficiency or noisy units

Replacing an older or uncertified supply with this unit cuts power draw, lowers system temperatures and removes fan noise during everyday tasks. The jump is worth it when the current unit lacks 80 PLUS Gold efficiency, has no semi-passive mode or cannot support Modern Standby sleep states. Builders moving from a basic office PSU to a quieter, more efficient platform will notice the difference immediately. Systems that already run a Gold-rated, semi-passive supply with Modern Standby support gain little from this change.

ATX form factor and 450W ceiling

The ATX form factor fits standard desktop chassis, but the 450W limit restricts use with high-end graphics cards or heavily overclocked processors. The single EPS connector suits mainstream CPUs, while multi-GPU setups or workstation boards needing additional CPU power cannot be supported. Zero RPM mode operates only up to medium loads, so sustained heavy loads will spin the fan. Buyers needing more than 450W or extra EPS connectors must look elsewhere.

Punti di forza

  • Modern Standby support for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified at 80 % efficiency for lower power draw and 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 delivers clean, consistent power
  • 450 W ATX output supports energy-efficient sleep states and reduced coil whine

Caratteristiche tecniche

TypeATX

Domande su questo articolo

What form factor and wattage does this ATX power supply use for case mounting?

This unit follows the standard ATX form factor and delivers 450 W, so it fits any case designed for regular ATX supplies with the usual four mounting screws.

Which cable should be connected first during installation to enable Modern Standby wake functions?

Connect the 24-pin ATX main cable and the 8-pin EPS CPU cable before powering on; the Modern Standby feature then activates automatically through the motherboard firmware.

How does the Zero RPM fan mode affect long-term dust buildup inside the unit?

Because the fan stops at low and medium loads, less air moves through the chassis at idle, so dust accumulates more slowly; occasional external vacuuming of the intake grill keeps airflow clear.

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