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

KHACHIMO

KHACHIMO CUS100MB 28V 2.9A 100W power supply

SKU CH-ZB3P-29JC5

Delivers 100 W at 28 V and 2.9 A with 80 PLUS Gold efficiency, Modern Standby support, and a zero-RPM fan mode for silent low-load operation

  • TypeATX
  • Modern Standby support for instant wake and low-load efficiency
  • 80 PLUS Gold certified efficiency cuts power use and heat
  • Zero RPM fan mode stops the fan at low loads for silent operation
  • Resonant LLC topology with DC-to-DC delivers clean power and reduces coil whine
  • 100 W output at 28 V 2.9 A powers demanding builds reliably

100 W ATX Power Supply

This KHACHIMO unit delivers 100 W of continuous power through a 28 V output rated at 2.9 A. It is built to the ATX form factor and carries 80 PLUS Gold certification for high efficiency. The design targets system builders who need a compact, efficient supply for low-power configurations.

Suitable for modern standby PCs and silent builds

Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency. Zero RPM fan mode stops the fan entirely at low and medium loads for near-silent operation. Builders who require higher wattage for multi-GPU setups or heavy overclocking should look at higher-capacity units instead.

Verify ATX fit and 28 V rail requirements

Confirm that your chassis accepts a standard ATX power supply and that your components are designed for a 28 V primary rail. Check that the 100 W total output covers the combined draw of your CPU, graphics card and peripherals. Ensure the included connectors match your motherboard and device needs before ordering.

Puntos fuertes

  • Modern Standby support for instant wake and low-load efficiency
  • 80 PLUS Gold certified efficiency cuts power use and heat
  • Zero RPM fan mode stops the fan at low loads for silent operation
  • Resonant LLC topology with DC-to-DC delivers clean power and reduces coil whine
  • 100 W output at 28 V 2.9 A powers demanding builds reliably

Especificaciones

TypeATX

Preguntas sobre este artículo

What motherboard power connector does the CUS100MB-28A need to turn on?

The unit is an ATX power supply, so it provides a 24-pin main connector and a CPU power connector that plug directly into a standard motherboard.

Will my older motherboard work with the Modern Standby features of this 100W unit?

Modern Standby requires platform support; the PSU will still deliver 28 V at 2.9 A on older boards, but the fast wake and low-load efficiency benefits only activate on compatible systems.

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

At typical loads the fan stays off in Zero RPM mode, and the system wakes from sleep almost instantly, showing the high-efficiency LLC topology and DC-to-DC conversion are operating.

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