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Compact 1U power supply unit with matte black finish and cooling fan visible

KHACHIMO

KHACHIMO DPS-500AB-5B 500W 80 PLUS Gold power supply

SKU CH-6ER3-1QX1N

Compact 500 W ATX unit with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby support for quiet, low-power operation

  • TypeATX
  • 80 PLUS Gold efficiency cuts energy use and heat
  • Zero RPM fan mode delivers silent running at low loads
  • Modern Standby support enables ultra-fast wake from sleep
  • Resonant LLC topology with DC-to-DC conversion provides clean, stable power
  • 500 W ATX output powers compact 1U systems reliably

Compact 1U server power supply

The KHACHIMO DPS-500AB-5B is a 500W ATX unit built in a 1U form factor for rackmount servers and space-constrained workstations. It delivers 80 PLUS Gold certified efficiency and includes dual CPU 8-pin connectors for multi-processor boards. Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency.

Efficiency limits at low and high loads

80 PLUS Gold certification guarantees high efficiency at typical loads, lowering power consumption, noise, and operating temperatures. The Resonant LLC topology with DC-to-DC conversion maintains clean, consistent power delivery and supports deeper sleep states. Certification does not extend efficiency guarantees to very light or peak loads beyond the standard test points.

Zero RPM fan mode and dense mounting

At low and medium loads the cooling fan stops completely for near-silent operation, while the Resonant LLC design reduces coil whine. The 1U height fits standard server chassis where vertical space is restricted. Buyers needing higher wattage or additional peripheral connectors for multi-GPU configurations should verify total power budget and cable count before ordering.

Highlights

  • 80 PLUS Gold efficiency cuts energy use and heat
  • Zero RPM fan mode delivers silent running at low loads
  • Modern Standby support enables ultra-fast wake from sleep
  • Resonant LLC topology with DC-to-DC conversion provides clean, stable power
  • 500 W ATX output powers compact 1U systems reliably

Specifications

TypeATX

Questions about this item

Is the 500W output the right choice for a typical desktop build?

The 500W rating suits mainstream systems with a single GPU and standard components; check your parts list to confirm total draw stays below this limit.

What does the 80 PLUS Gold rating actually deliver in daily use?

It means the unit runs at high efficiency across typical loads, reducing electricity waste, heat output and fan noise compared to lower-rated supplies.

How does the ATX form factor affect installation and compatibility?

The ATX size fits standard desktop cases and motherboards, using the usual mounting points and connector layout for straightforward installation.

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