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Rectangular silver 1U power supply unit with cooling fan and cable connections

KHACHIMO

KHACHIMO FSP500-601UE 500W 80 PLUS Gold power supply

SKU CH-63P6-VTFGA

A 1U server power supply with dual CPU 8-pin connectors, 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • TypeATX
  • Faster wake-from-sleep with Modern Standby support
  • Lower energy use via 80 PLUS Gold efficiency
  • Silent running at low load with Zero RPM fan
  • Cleaner power delivery through LLC resonant topology
  • 500 W output for reliable system operation

500W Gold 1U Server PSU

The KHACHIMO FSP500-601UE is a 500 watt ATX power supply built for 1U rackmount chassis. It carries 80 PLUS Gold certification for high efficiency across typical server loads. Two CPU 8-pin connectors support dual-processor boards. Modern Standby compatibility allows extremely fast wake-from-sleep transitions.

Upgrading from Bronze or unrated units

Replacing an 80 PLUS Bronze or unrated supply with this Gold unit reduces waste heat and lowers operating noise in dense racks. The efficiency gain pays off when the system runs continuously at moderate load. Zero RPM fan mode eliminates fan noise entirely during idle or light workloads.

Limits of the ATX 1U form factor

The compact 1U height restricts airflow, so sustained full-load output depends on strong chassis ventilation. Cable lengths are optimised for shallow server cases and may not reach standard ATX tower routing points. Buyers needing more than two CPU power connectors or higher wattage must select a larger form factor.

Highlights

  • Faster wake-from-sleep with Modern Standby support
  • Lower energy use via 80 PLUS Gold efficiency
  • Silent running at low load with Zero RPM fan
  • Cleaner power delivery through LLC resonant topology
  • 500 W output for reliable system operation

Specifications

TypeATX

Questions about this item

Will this 1U power supply fit a standard ATX mounting pattern?

The unit follows the ATX form factor and uses the standard four-screw 1U mounting pattern found in compatible rackmount chassis.

How do I connect the two CPU 8-pin cables without exceeding the 500 W limit?

Plug both CPU 8-pin connectors into the motherboard; the 500 W rating covers the combined output, so the total system draw must stay within that figure.

Does the Zero RPM fan mode mean I never need to clean the fan?

The fan still spins under higher loads, so dust will accumulate; plan to clean the intake area periodically with compressed air.

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