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

KHACHIMO

KHACHIMO PSR450-12A1 450W ATX Power Supply

SKU CH-TSND-XXRPA

ATX power supply delivers 450 W with 80 PLUS Gold efficiency, zero-RPM fan mode and resonant LLC topology for clean, quiet power

  • TypeATX
  • Modern Standby support for fast wake from sleep
  • 80 PLUS Gold certified for high efficiency and lower heat
  • Zero RPM fan mode stops the fan at low loads
  • Resonant LLC with DC-to-DC for clean power delivery
  • ATX form factor fits standard desktop cases

Capacity & Certification

The KHACHIMO PSR450-12A1 is a 450W ATX power supply built for modern desktop PCs. It carries 80 PLUS Gold certification for high efficiency, lower power draw, and reduced heat output. Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency. This unit suits builders wanting reliable, efficient power for standard components.

Upgrade Path

This supply replaces older, less efficient units that lack Modern Standby support or Gold-rated efficiency. The jump is worth it when your current PSU cannot maintain stable voltages under load or runs its fan constantly at idle. Resonant LLC topology with DC-to-DC conversion delivers cleaner power and reduces coil whine. Zero RPM fan mode stops the fan entirely at low and medium loads for near-silent operation.

Compatibility Check

Verify your case accepts a standard ATX form-factor power supply before ordering. Confirm the motherboard requires a 24-pin ATX connector and that your CPU and GPU power cables match the unit's fixed outputs. Ensure the 450W capacity covers the total system draw of your chosen components. The fixed cable design means you cannot remove unused connectors for cable management.

Puntos fuertes

  • Modern Standby support for fast wake from sleep
  • 80 PLUS Gold certified for high efficiency and lower heat
  • Zero RPM fan mode stops the fan at low loads
  • Resonant LLC with DC-to-DC for clean power delivery
  • ATX form factor fits standard desktop cases

Especificaciones

TypeATX

Preguntas sobre este artículo

Will the PSR450-12A1 fit a standard ATX case?

Yes, it uses the ATX form factor so it mounts in any standard ATX chassis with the usual four screw holes.

Which cables must be connected during installation?

Plug in the 24-pin ATX motherboard connector and the 4+4-pin CPU power connector; the unit is non-modular so all leads are fixed.

What maintenance will the PSR450-12A1 need over time?

Clean dust from the fan grille periodically; the Zero RPM mode keeps the fan off at low load, reducing bearing wear.

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