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Silver rectangular ATX power supply unit with gold badge

KHACHIMO

KHACHIMO 650W ATX Power Supply PWS-609P-1R2 80 PLUS Gold

SKU CH-QYE4-8FK4N

An 80 PLUS Gold ATX unit delivering 650 W with zero-RPM fan mode and Modern Standby support

  • TypeATX
  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold certification cuts power draw and heat
  • Zero RPM fan mode keeps the system silent under light loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • DC-to-DC design enables deeper, more efficient sleep states

650W ATX Power Supply for Modern PCs

The KHACHIMO PWS-609P-1R2 is a 650W ATX power supply built with 80 PLUS Gold certification and resonant LLC topology with DC-to-DC conversion. It delivers high efficiency for lower power consumption and cleaner power output. Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency. The unit is sold new.

Suits builders wanting silent operation

The Zero RPM fan mode stops the cooling fan entirely at low and medium loads for near-silent running, while the topology reduces coil whine. Buyers who need higher wattage for multi-GPU configurations or extreme overclocking should look at larger capacity units. Systems requiring proprietary form factors or non-ATX connectors are not supported.

Standard ATX installation with semi-passive cooling

The supply fits regular ATX mounting points and uses standard ATX connectors for motherboard, CPU and peripheral power. Zero RPM mode activates automatically, so no software setup is required for silent low-load operation. Ensure the case provides adequate airflow for the fan when it spins under heavier loads, and verify cable reach matches your component layout.

Highlights

  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold certification cuts power draw and heat
  • Zero RPM fan mode keeps the system silent under light loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • DC-to-DC design enables deeper, more efficient sleep states

Specifications

TypeATX

Questions about this item

What motherboard power connectors must my board provide for this ATX 650W unit?

A standard 24-pin ATX connector and an 8-pin (4+4) EPS CPU connector are required for the PSU to power the system.

Will Modern Standby wake-from-sleep work with my older motherboard that lacks Modern Standby BIOS support?

The PSU is Modern Standby compatible, but fast wake times only occur if the motherboard and operating system also support Modern Standby.

How can I confirm the Zero RPM fan mode is active after I build the PC?

At idle or light load the fan should stay completely still; you can visually verify the blades are not spinning through the case vent.

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