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Rectangular metal ATX power supply unit with fan grille

KHACHIMO

KHACHIMO 4U 500W ATX Switching Power Supply FSP500-60WSA-5K

SKU CH-GFM2-TABXA

A 500 W ATX power supply with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby support for fast wake times

  • TypeATX
  • Modern Standby support enables extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power
  • DC-to-DC conversion reduces coil whine and enables more energy efficient sleep states

4U ATX Gold Power Supply

This 500 W ATX unit fits 4U rackmount chassis and delivers 80 PLUS Gold certified efficiency. Modern Standby support enables rapid wake-from-sleep and improved low-load performance. The resonant LLC topology with DC-to-DC conversion supplies clean, stable power while reducing coil whine. It suits servers, workstations and always-on systems needing quiet, reliable operation.

Sustained Load Behaviour

At low and medium loads the Zero RPM fan mode stops the cooling fan entirely for near-silent running. The Gold-rated efficiency keeps heat output and power draw low during continuous operation. LLC resonant conversion maintains tight voltage regulation and clean power delivery under steady demand. This combination supports long-duration workloads without thermal or acoustic penalty.

Pre-Installation Checks

Verify the chassis accepts a 4U form-factor ATX supply and provides the required mounting pattern. Confirm the mainboard and peripherals match the connector set and power delivery of a standard ATX design. Ensure the system can utilise Modern Standby sleep states if fast wake is desired. Buyers needing higher wattage or a different form factor should consider other models.

Highlights

  • Modern Standby support enables extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power
  • DC-to-DC conversion reduces coil whine and enables more energy efficient sleep states

Specifications

TypeATX

Questions about this item

How loud does the 500W unit get when the system runs all day under load?

The 80 PLUS Gold efficiency keeps waste heat low, and the Zero RPM fan mode stops the fan completely at low and medium loads for near-silent operation.

What existing parts are required to install this ATX power supply?

A standard ATX motherboard with 24-pin and CPU power headers, plus any drives or expansion cards you plan to power.

Will this 500W PSU work reliably with older components I want to keep?

The Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine, making it well suited for legacy hardware.

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