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Compact silver ATX power supply unit with black fan grille

KHACHIMO

KHACHIMO HWS100A 12V 8.5A 100W ATX power supply

SKU CH-WZFH-QP49J

Delivers 100 W ATX power with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency lowers power draw and heat
  • Zero RPM fan mode keeps operation silent at low load
  • Resonant LLC plus DC-to-DC delivers clean, stable power
  • 12 V 8.5 A output provides 100 W for ATX builds

Purpose and Audience

The KHACHIMO HWS100A is an ATX power supply rated at 100 W with a 12 V rail delivering 8.5 A. It suits compact or low-power builds that require a modern standby compatible unit and high efficiency at modest loads.

Build Quality and Connectors

An 80 PLUS Gold certification confirms high efficiency, reducing heat and noise during everyday use. A resonant LLC topology with DC-to-DC conversion supplies clean power while suppressing coil whine. The zero RPM fan mode stops the fan completely at low and medium loads for near-silent operation.

Compatibility Check

Verify that your system’s total power draw stays within the 100 W rating and that the 12 V 8.5 A output meets component requirements. Ensure the ATX form factor fits your chassis and that your motherboard supports modern standby for the fast wake features to function.

Highlights

  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency lowers power draw and heat
  • Zero RPM fan mode keeps operation silent at low load
  • Resonant LLC plus DC-to-DC delivers clean, stable power
  • 12 V 8.5 A output provides 100 W for ATX builds

Specifications

TypeATX

Questions about this item

What does the 80 PLUS Gold certification on this 100W ATX unit mean for everyday efficiency?

The 80 PLUS Gold rating confirms the supply meets high efficiency targets at typical loads, reducing waste heat and keeping fan noise lower during normal use.

What physical space and mounting pattern does the HWS100A require inside a chassis?

It follows the standard ATX form factor, so it fits any case with an ATX PSU bay and uses the usual four rear mounting screws.

How do I connect the 12V 8.5A output correctly, and what mistake should I avoid?

Plug the 24-pin ATX motherboard connector and the required CPU power cable firmly into their keyed sockets; the common error is leaving the CPU power lead unplugged.

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