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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

  • Product 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.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $213.99
Pricier than about 66% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product 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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