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Rectangular ATX power supply unit, matte black finish, 650W label visible

KHACHIMO

KHACHIMO TDPS-650CB B 650W ATX Power Supply

SKU CH-2MCJ-G7Q4X

Delivers 650W ATX power with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops at low load for silent running
  • Resonant LLC plus DC-to-DC gives clean stable power
  • 650 W ATX unit fits standard desktop builds

650W ATX Gold Power Supply

The KHACHIMO TDPS-650CB B delivers 650W of continuous power through an ATX form factor. It carries 80 PLUS Gold certification for high efficiency operation that reduces waste heat and noise. Resonant LLC topology with DC-to-DC conversion provides clean, consistent output. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency.

Suitable for efficient mid-range builds

This unit suits builders who want Gold-rated efficiency and near-silent operation at typical loads thanks to Zero RPM fan mode. It fits ATX cases and supports modern sleep states for responsive desktop use. Buyers needing higher wattage for multi-GPU configurations or extreme overclocking headroom should look at higher-capacity units instead.

650W capacity with Gold headroom

The 650W rating comfortably handles mainstream CPUs and single high-end graphics cards under full load. High efficiency keeps temperatures lower and reduces coil whine during sustained workloads. At very heavy multi-rail draws approaching the maximum limit, voltage regulation headroom diminishes and fan noise increases as cooling ramps up.

Highlights

  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stops at low load for silent running
  • Resonant LLC plus DC-to-DC gives clean stable power
  • 650 W ATX unit fits standard desktop builds

Specifications

TypeATX

Questions about this item

Does my motherboard need a 24-pin ATX connector to use this 650W unit?

Yes, the power supply uses the standard ATX form factor with a 24-pin main connector that plugs directly into any compatible motherboard.

Will the Zero RPM fan mode still activate if I keep an older graphics card that draws more power at idle?

The fan remains off at low and medium loads, so it will stay silent until total system draw rises above the mode's threshold.

How can I confirm the 80 PLUS Gold efficiency is active after installation?

You will notice lower power draw at the wall, reduced heat output, and quieter running compared with less efficient units.

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