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Black rectangular ATX power supply unit with cooling fan and cable bundle

KHACHIMO

KHACHIMO S5500 S5560 150W ATX Power Supply

SKU CH-25BM-S4RQV

A 150 W ATX power supply with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby compatibility

  • TypeATX
  • Modern Standby support enables extremely fast wake-from-sleep times and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency operation for lower power consumption, less noise and cooler temperatures
  • Zero RPM fan mode stops the cooling fan entirely at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine for quieter operation
  • 150 W ATX output capacity meets the power requirements of S5500 and S5560 system configurations

150W ATX power supply for basic builds

The KHACHIMO S5500 S5560 delivers 150 W of continuous power through a standard ATX form factor. It carries 80 PLUS Gold certification for high efficiency at typical loads. Modern Standby compatibility enables rapid wake-from-sleep and improved low-load efficiency. Resonant LLC topology with DC-to-DC conversion supplies clean power and reduces coil whine.

Suits compact office PCs and low-power upgrades

This unit fits systems built around low-wattage processors and integrated graphics where a 150 W ceiling is sufficient. The zero-RPM fan mode keeps acoustics near silent during light workloads. Builders needing discrete graphics cards, multiple drives or higher sustained loads should consider a higher-capacity supply. It is not intended for gaming workstations or multi-GPU configurations.

150 W capacity with Gold-rated headroom

At full rated load the supply maintains Gold-level efficiency, reducing waste heat and fan speed. The DC-to-DC design keeps minor rails stable for modern sleep states. Headroom disappears quickly if a dedicated GPU or many peripherals are added. Continuous operation near the 150 W limit will engage active cooling and reduce acoustic advantage.

Highlights

  • Modern Standby support enables extremely fast wake-from-sleep times and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency operation for lower power consumption, less noise and cooler temperatures
  • Zero RPM fan mode stops the cooling fan entirely at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine for quieter operation
  • 150 W ATX output capacity meets the power requirements of S5500 and S5560 system configurations

Specifications

TypeATX

Questions about this item

What motherboard power connector does the KHACHIMO S5500 S5560 150W ATX Power Supply require?

It uses the standard ATX 24-pin main connector and a 4+4-pin EPS connector for the CPU, matching any ATX-compatible motherboard.

Will the Zero RPM fan mode activate when paired with an older low-power system?

Yes, the fan stops completely at low and medium loads regardless of system age, so legacy builds benefit from silent operation.

How can I confirm the 80 PLUS Gold efficiency is active after installation?

Enable Modern Standby in the OS; the PSU will enter ultra-low-power sleep and wake near-instantly, proving the certified topology is functioning.

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