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

KHACHIMO

KHACHIMO MSR3020 MSR3620 125W power supply

SKU CH-CYGW-Q9S90

An ATX power supply with 125W output, 80 PLUS Gold efficiency, Modern Standby support and a zero-RPM fan mode for silent low-load operation

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw and cooler temps via 80 PLUS Gold efficiency
  • Near-silent operation with Zero RPM fan mode at low load
  • Clean, stable power from Resonant LLC topology with DC-to-DC conversion
  • 125W ATX unit compatible with MSR3020 and MSR3620 systems

125W ATX power supply

The KHACHIMO MSR3020 MSR3620 is a 125 watt ATX power supply built for compact or low-power desktops. It suits office workstations, thin-client refreshes and small-form-factor builds that only need modest power delivery.

Modern Standby upgrade path

It replaces older ATX units that lack Modern Standby support, so systems wake from sleep almost instantly and draw less power at idle. The jump is worth it when a build relies on fast resume times and lower standby consumption.

Build integration notes

The unit fits standard ATX mounting points and uses DC-to-DC conversion with resonant LLC topology for stable voltage rails. Zero RPM fan mode keeps acoustics low at light loads, freeing thermal headroom for quiet chassis designs.

Highlights

  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw and cooler temps via 80 PLUS Gold efficiency
  • Near-silent operation with Zero RPM fan mode at low load
  • Clean, stable power from Resonant LLC topology with DC-to-DC conversion
  • 125W ATX unit compatible with MSR3020 and MSR3620 systems

Specifications

TypeATX

Questions about this item

Does this 125W unit fit a standard ATX case?

Yes, it uses the ATX form factor so it mounts in any case designed for an ATX power supply.

What cables do I connect during installation?

Plug in the 24-pin ATX connector and the 4+4-pin CPU connector; the LLC resonant topology with DC-to-DC conversion then regulates power automatically.

Will the fan need cleaning or replacement over time?

The Zero RPM fan mode stops the fan at low and medium loads, reducing dust build-up and bearing wear for longer service life.

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