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Rectangular black ATX power supply unit with rear fan grille and modular cable sockets

KHACHIMO

KHACHIMO R680 G7 850W ATX power supply

SKU CH-WW0Y-6EXSM

80 PLUS Gold ATX power supply delivering 850 W with zero-RPM fan mode and Modern Standby compatibility for silent, efficient operation

  • TypeATX
  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold certification lowers energy use and heat output
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • ATX form factor fits standard desktop cases

850W ATX power supply for modern PCs

The KHACHIMO R680 G7 delivers 850W of continuous power through a standard ATX form factor, making it suitable for high-performance desktop builds that demand stable output. Its 80 PLUS Gold certification confirms high efficiency across typical loads, reducing waste heat and lowering electricity draw during extended use.

Gold efficiency with semi-passive cooling

A resonant LLC topology paired with DC-to-DC conversion supplies clean voltage regulation while minimising coil whine. The Zero RPM fan mode stops the cooling fan completely at low and medium loads, so the unit runs silently during everyday tasks and only spins up when thermal demand rises.

Modern Standby support for instant wake

Compatibility with Modern Standby enables extremely fast wake-from-sleep transitions and improved low-load efficiency, benefiting systems that frequently enter and exit sleep states. Builds requiring higher wattage or alternative form factors will need a different unit.

Highlights

  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold certification lowers energy use and heat output
  • Zero RPM fan mode stops the fan at low loads for silent running
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • ATX form factor fits standard desktop cases

Specifications

TypeATX

Questions about this item

What does the 80 PLUS Gold certification mean for the R680 G7's efficiency in practice?

It certifies high-efficiency operation that lowers power consumption, reduces noise and keeps temperatures cooler across typical loads.

What physical space and mounting does the R680 G7 require in a case?

It uses the standard ATX form factor, so it fits any case with an ATX power-supply bay and the usual four screw holes.

How is the R680 G7 installed and what step do builders often miss?

Mount the unit with four screws, connect the 24-pin ATX, CPU and GPU cables, then ensure the motherboard has Modern Standby enabled in BIOS so the fast wake and low-load features actually work.

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