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Silver rectangular ATX power supply unit with black cooling fan grille and side label

KHACHIMO

KHACHIMO Power Supply EUC-150S280SC 150W ATX

SKU CH-276N-PDMPR

An 80 PLUS Gold ATX unit with 150 W output, 31-50 V range, Modern Standby support, zero-RPM fan mode and resonant LLC topology for clean, quiet power

  • TypeATX
  • Modern Standby compatibility for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified for lower power consumption and cooler temperatures
  • Zero RPM fan mode keeps the fan off at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power
  • 150 W ATX power supply designed for 31-50 V input range

150W ATX Power Supply for MOSO Systems

This 150W ATX unit is designed to power MOSO platforms that operate within a 31-50V input range. It suits builders who need a compact, efficient power source for compatible small-form-factor or embedded configurations. The EUC-150S280SC delivers the specific voltage and wattage profile these systems require.

Sustained Load Efficiency and Acoustics

The 80 PLUS Gold certification ensures high efficiency during continuous operation, reducing waste heat and keeping internal temperatures lower. Resonant LLC topology with DC-to-DC conversion maintains clean, stable power delivery under sustained demand while minimising coil whine. The Zero RPM fan mode keeps the unit silent at low and medium loads by stopping the fan completely.

Replacing Older or Less Efficient Units

This supply upgrades systems currently running on lower-efficiency or non-Modern Standby power supplies that cannot meet the 31-50V requirement. The jump is worthwhile when faster wake-from-sleep times, reduced idle power draw, and near-silent operation at typical loads are priorities for the build.

Highlights

  • Modern Standby compatibility for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified for lower power consumption and cooler temperatures
  • Zero RPM fan mode keeps the fan off at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power
  • 150 W ATX power supply designed for 31-50 V input range

Specifications

TypeATX

Questions about this item

How loud and hot does the EUC-150S280SC get under continuous load?

The 80 PLUS Gold rating means high efficiency, so less waste heat and lower fan speeds. Zero RPM mode stops the fan completely at low and medium loads for near-silent running.

Which cables or connectors must my build already have for this 150 W ATX unit?

Standard ATX 24-pin, CPU 4/8-pin, and peripheral connectors are required; the PSU uses the usual ATX pin-out so existing cables will fit.

Will the resonant LLC and DC-to-DC design work reliably with older motherboards and drives?

Yes, the topology delivers clean, consistent power compatible with legacy ATX systems while supporting Modern Standby sleep states on newer boards.

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