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Rectangular silver metal 2U ATX power supply unit with ventilation grille and rear power socket

KHACHIMO

KHACHIMO FSP500-602UE 500W ATX Power Supply

SKU CH-JJDT-ZZ331

An 80 PLUS Gold 500W ATX unit with Modern Standby support, zero-RPM fan mode and LLC resonant topology for silent, efficient power

  • TypeATX
  • Modern Standby compatible for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power
  • 500 W ATX power supply for standard desktop systems

500W ATX Power Supply for 2U Systems

The KHACHIMO FSP500-602UE is a 500W ATX power supply built for 2U chassis installations. It targets system builders and IT professionals who need reliable, efficient power delivery in compact rackmount or small-form-factor enclosures. Modern Standby compatibility ensures extremely fast wake-from-sleep times and improved low-load efficiency for always-on deployments.

Upgrade from Lower-Efficiency or Noisy Units

Replacing a standard Bronze or unrated unit with this 80 PLUS Gold certified supply cuts power consumption, reduces heat output and lowers acoustic noise. The jump is worth it when deploying systems that run continuously or sit in noise-sensitive environments, as the resonant LLC topology with DC-to-DC conversion delivers clean, consistent power while minimising coil whine.

Limits of ATX in 2U Form Factors

The ATX specification and 2U height constraint limit the maximum output to 500W and restrict the physical space available for cooling components. Zero RPM fan mode operates at low and medium loads, but sustained high loads will activate the fan. Builders needing higher wattage or redundant power must look beyond this single ATX form factor.

Highlights

  • Modern Standby compatible for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power
  • 500 W ATX power supply for standard desktop systems

Specifications

TypeATX

Questions about this item

Will the 2U form factor of this FSP500-602UE fit in my standard ATX tower case?

This unit is built to the 2U rack-mount height and uses the ATX electrical standard; it requires a chassis designed for 2U redundant or flex-ATX power supplies, not a conventional tower.

What is the installation step most people miss when fitting this supply?

Because it uses a front-to-rear airflow path for rack enclosures, the critical step is verifying that your case vents align with the exhaust direction so the Zero RPM fan mode can function correctly.

Which component will need attention first during the life of this 500W unit?

The cooling fan is the only moving part; under heavy sustained load it will spin up, so plan to inspect or replace the fan assembly after several years of continuous operation.

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