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Rectangular metal ATX power supply unit with matte black finish and cooling fan grille

KHACHIMO

KHACHIMO PS-2551-5L 500W 80 PLUS Gold ATX power supply

SKU CH-E6GZ-SKBEZ

An 80 PLUS Gold ATX unit delivering 500 W with Modern Standby support, Zero RPM fan mode and resonant LLC topology for quiet, efficient power

  • TypeATX
  • Faster wake-from-sleep with Modern Standby compatibility
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops completely at low loads for silent running
  • LLC resonant plus DC-to-DC design delivers clean, stable power
  • 500 W ATX unit fits standard desktop builds

Purpose-built replacement

The KHACHIMO PS-2551-5L is a 500W ATX power supply built to replace the original unit in Liteon SA5212M4, NF5280, 8480 and M4 systems. It delivers the exact form factor and connector layout those platforms require.

Certified efficiency and quiet modes

80 PLUS Gold certification means lower power draw and less waste heat across typical loads. Resonant LLC topology with DC-to-DC conversion supplies tight voltage regulation while reducing coil whine, and a Zero RPM fan mode stops the fan completely at low and medium loads for silent running.

Modern Standby support

Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency, a requirement for the target Liteon platforms. Builders needing a different wattage, form factor or connector set should look elsewhere.

Highlights

  • Faster wake-from-sleep with Modern Standby compatibility
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops completely at low loads for silent running
  • LLC resonant plus DC-to-DC design delivers clean, stable power
  • 500 W ATX unit fits standard desktop builds

Specifications

TypeATX

Questions about this item

What maintenance or replacement will the fan need over time?

The Zero RPM Fan Mode stops the fan at low and medium loads, reducing bearing wear and extending the interval before any fan service is required.

What limit appears first when the PS-2551-5L runs at full 500W output continuously?

Sustained maximum load keeps the fan spinning constantly, so thermal limits and airflow capacity become the first practical constraints.

How much noise and heat should I expect when this unit powers a system all day?

At light loads the fan stays off for silent operation; under heavy loads the 80 PLUS Gold efficiency and LLC topology keep waste heat and noise lower than less efficient designs.

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