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Silver ATX industrial power supply unit with cooling fan grille

KHACHIMO

KHACHIMO PC620 PC670 PCU50 industrial power supply A5E00104867

SKU CH-17RR-RTHSK

ATX industrial power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • TypeATX
  • Fast wake from sleep with Modern Standby support
  • Lower power draw and cooler running via 80 PLUS Gold efficiency
  • Near-silent operation at typical loads with Zero RPM fan mode
  • Clean, stable power delivery from resonant LLC topology with DC-to-DC conversion
  • Reduced coil whine for quieter system performance

Industrial ATX Power Supply for PC620, PC670, PCU50

This new KHACHIMO unit replaces the original power supply in PC620, PC670 and PCU50 industrial computers. It delivers ATX-form-factor power with 80 PLUS Gold efficiency and Modern Standby support for fast wake times. The resonant LLC topology with DC-to-DC conversion provides clean, consistent output while reducing coil whine. Buyers needing a different form factor or higher wattage than this model provides should look elsewhere.

Upgrade from Older or Failed OEM Units

The supply upgrades aging or failed OEM units in the listed industrial systems, adding zero-RPM fan mode for silent low-load operation and Gold-rated efficiency that cuts heat and noise. Modern Standby compatibility enables deeper, more efficient sleep states than many legacy designs allow. The jump is worth it when the original unit lacks these efficiency and acoustic features or has reached end of life. Systems requiring redundant or hot-swap power modules are not supported by this design.

Standard ATX Installation

Installation follows standard ATX mounting and cabling, but verify that the industrial mainboard pinouts match the supplied connectors before powering on. The zero-RPM fan mode engages automatically at low and medium loads, so a stationary fan under light load is normal behaviour. Coil whine is minimised by the resonant LLC design, yet improper seating of the 24-pin or CPU power cables can still cause instability. Ensure all connectors are fully latched and the unit is secured with all four mounting screws.

Highlights

  • Fast wake from sleep with Modern Standby support
  • Lower power draw and cooler running via 80 PLUS Gold efficiency
  • Near-silent operation at typical loads with Zero RPM fan mode
  • Clean, stable power delivery from resonant LLC topology with DC-to-DC conversion
  • Reduced coil whine for quieter system performance

Specifications

TypeATX

Questions about this item

What ATX mounting pattern does the PC620 PC670 PCU50 unit use?

It follows the standard ATX form factor, so it mounts in any chassis with ATX power-supply screw holes.

Which cable must be seated first to enable Modern Standby wake signalling?

Insert the 24-pin ATX main connector fully before any peripheral cables; the motherboard manages the low-power handshake.

When should the 80 PLUS Gold certified fan be cleaned to maintain Zero RPM mode?

Blow dust from the fan intake every six to twelve months so the Zero RPM mode can engage at low loads.

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