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Silver 1U industrial power supply unit with rear fan grille and cable bundle

KHACHIMO

KHACHIMO JCI-4511F-1M1 300W 80 PLUS Gold power supply

SKU CH-KFB9-QFGYJ

A 300 W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and LLC resonant topology for quiet, low-loss operation

  • TypeATX
  • Modern Standby compatibility enables faster wake-from-sleep with better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption, less noise, and cooler temperatures
  • Zero RPM fan mode stops the cooling fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • 300W ATX power supply built for industrial control applications

300 W ATX power supply

This 300 W ATX power supply delivers 80 PLUS Gold certified efficiency for industrial and embedded systems. Resonant LLC topology with DC-to-DC conversion provides clean, consistent power while reducing coil whine. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency. The unit suits compact builds that demand reliable, efficient power delivery.

Replacing lower-efficiency or noisy units

Upgrading from a standard Bronze or unrated supply cuts power draw, lowers heat output and reduces acoustic noise. The jump is worth it when your system runs continuously or sits in noise-sensitive environments. Zero RPM fan mode eliminates fan noise entirely at low and medium loads. Resonant LLC topology further supports energy-efficient sleep states for always-on deployments.

Silent, efficient power for compact systems

This supply fits builders who need 80 PLUS Gold efficiency, near-silent operation and Modern Standby support in an ATX form factor. Buyers who require higher wattage for multi-GPU configurations or heavy overclocking should look at something else. Systems needing redundant or hot-swap power modules will not be served by this single-unit design. The 300 W rating also limits use in high-end workstation builds.

Puntos fuertes

  • Modern Standby compatibility enables faster wake-from-sleep with better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption, less noise, and cooler temperatures
  • Zero RPM fan mode stops the cooling fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • 300W ATX power supply built for industrial control applications

Especificaciones

TypeATX

Preguntas sobre este artículo

What physical space does the 1U JCI-4511F-1M1 need to fit in a chassis?

The unit is a 1U ATX form-factor supply, so it occupies a single rack-unit height and standard ATX width and depth.

What installation step do builders often miss with the Zero RPM fan mode?

After mounting, verify in the BIOS or monitoring software that the semi-passive profile is enabled; otherwise the fan may spin at low loads.

What maintenance does the 300W Gold unit need over its service life?

Clean the intake grill periodically with compressed air; the Zero RPM mode reduces dust, but debris still accumulates on the mesh.

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