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

KHACHIMO

KHACHIMO ATX Power Supply 120W 80 PLUS Gold

SKU CH-994Z-GXZHY

An ATX power supply delivering 120 W with 80 PLUS Gold efficiency, Modern Standby support, zero-RPM fan mode and LLC resonant DC-to-DC topology

  • TypeATX
  • Modern Standby for extremely fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification for high efficiency, lower power use, less noise and cooler temps
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine
  • Resonant LLC topology enables more energy-efficient sleep states for improved power management

Purpose and fit

The KHACHIMO ATX unit delivers 120W of 80 PLUS Gold certified power for low-draw systems. It suits small-form-factor builds, embedded appliances, or replacement jobs where a compact, efficient supply is required.

Upgrade context

It replaces older, lower-efficiency supplies that lack Modern Standby support and zero-RPM fan operation. The jump is worthwhile when faster wake-from-sleep times, reduced idle noise, and cleaner DC-to-DC conversion matter for the workload.

Installation notes

Standard ATX mounting and connectors make fitment straightforward in compatible chassis. The most common issue is underestimating total system draw, which can trigger protection shutdowns if the 120W limit is exceeded.

Highlights

  • Modern Standby for extremely fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification for high efficiency, lower power use, less noise and cooler temps
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine
  • Resonant LLC topology enables more energy-efficient sleep states for improved power management

Specifications

TypeATX

Questions about this item

What ATX case clearance does the 120W unit require?

The supply follows the standard ATX form factor, so it fits any case with a regular ATX PSU bay and the usual four rear mounting holes.

Which cables must be connected first when installing this PSU?

Seat the 24-pin motherboard connector and the 4- or 8-pin CPU power plug before routing any peripheral cables; skipping the CPU power lead is the most common oversight.

How often should the Zero RPM fan be checked for dust build-up?

Inspect the fan intake every six to twelve months and clear any dust with compressed air so the Zero RPM mode can engage properly at low loads.

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