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Rectangular ATX power supply unit in matte black finish with side-mounted cooling fan

KHACHIMO

KHACHIMO M1U-2650V 650W 80 PLUS Gold power supply

SKU CH-Y5B5-4S89T

An ATX power supply delivering 650 watts with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby compatibility

  • TypeATX
  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold certification for lower power draw and heat
  • Zero RPM fan mode keeps the unit silent at low loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • 650 W capacity handles demanding ATX builds

KHACHIMO 650W Gold ATX supply

The KHACHIMO M1U-2650V is a new 650 watt ATX power supply certified to the 80 PLUS Gold standard. It uses a resonant LLC topology with DC-to-DC conversion to deliver clean, consistent power to modern desktop components. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency. A zero RPM fan mode stops the cooling fan entirely at low and medium loads for near-silent operation.

Ideal for efficient quiet builds.

This unit suits builders who want high efficiency, low noise and Modern Standby support in a standard ATX form factor. It is not for systems that require more than 650 watts of continuous power. It is not for platforms that need a different form factor such as SFX or TFX. Buyers who need multiple EPS connectors for dual-CPU boards should look elsewhere.

The 650 watt rating decides fit

The single specification that decides whether this is the right part is the 650 watt continuous output. If the total system power draw under full load stays within this limit, the supply will deliver stable, efficient power with Gold-class efficiency and silent low-load operation. If the build demands more headroom, a higher wattage unit is required.

Highlights

  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold certification for lower power draw and heat
  • Zero RPM fan mode keeps the unit silent at low loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • 650 W capacity handles demanding ATX builds

Specifications

TypeATX

Questions about this item

Should I choose the 650W version or a different capacity?

The 650W model delivers 650 watts of continuous power; select it if your system's peak draw stays below that figure, otherwise step up to a higher-wattage unit.

What does the 80 PLUS Gold rating mean once the PSU is installed?

It guarantees at least 80 percent efficiency at typical loads, so less electricity is wasted as heat and the fan can run slower or stay off longer.

The unit uses an ATX interface — what does that cap in practice?

ATX defines the physical size, mounting holes and standard 24-pin, CPU and PCIe connectors, so it fits any ATX case and motherboard without adapters.

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