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Rectangular ATX power supply unit with matte black finish and cooling fan grille

KHACHIMO

KHACHIMO YM-2651M 650W 80 PLUS Gold ATX power supply

SKU CH-W6ZC-YC3JZ

An ATX power supply delivering 650W with 80 PLUS Gold efficiency, zero-RPM fan mode for silent low-load operation, and Modern Standby support for fast wake times

  • TypeATX
  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps idle operation near-silent
  • Resonant LLC topology with DC-to-DC conversion delivers clean power
  • 650 W ATX unit built for modern system demands

ATX 650 W power supply for Modern Standby PCs

The KHACHIMO YM-2651M is an ATX 650 W unit built for systems that use Modern Standby. Its 80 PLUS Gold rating keeps efficiency high and waste heat low. The resonant LLC topology with DC-to-DC conversion delivers steady voltage across all rails.

Standard ATX fit with semi-passive cooling

Installation follows the usual ATX mounting pattern and connector layout, so it fits most mid-tower cases without cable routing surprises. The Zero RPM fan mode stops the fan completely at low and medium loads, removing noise entirely. At higher loads the fan spins up, so adequate case airflow is still required.

650 W continuous output and Gold efficiency

The single deciding specification is the 650 W continuous rating combined with 80 PLUS Gold certification. This covers mainstream CPUs and single mid-range GPUs with headroom. Builds that demand more power or multiple high-end graphics cards will exceed this unit’s capacity.

Highlights

  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps idle operation near-silent
  • Resonant LLC topology with DC-to-DC conversion delivers clean power
  • 650 W ATX unit built for modern system demands

Specifications

TypeATX

Questions about this item

How do I confirm the 80 PLUS Gold efficiency is active after installing the YM-2651M?

The fan stays off at low and medium loads due to Zero RPM mode, and the system resumes from sleep almost instantly with Modern Standby — both indicate the 650 W unit is operating as designed.

What cables come with the KHACHIMO 650 W supply and what must I source myself?

The box includes the ATX power supply unit; all modular cables required for your motherboard, GPU and drives must be purchased separately if not already owned.

Which 2651 model capacity should I choose for a mid-range build?

The 650 W YM-2651M is the only capacity offered in this series, so it is the default choice for any build matching its output.

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