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

KHACHIMO

KHACHIMO GSR12000 2500W power supply

SKU CH-9FJR-SRAHJ

A 2500 W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and resonant LLC topology for clean, quiet power delivery

  • Product typeATX
  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw and heat via 80 PLUS Gold efficiency
  • Near-silent running with Zero RPM fan mode
  • Clean, stable power from resonant LLC with DC-to-DC
  • Reduced coil whine for quieter operation

High-wattage ATX power supply

The KHACHIMO GSR12000 delivers 2500W of continuous power in a standard ATX form factor. It targets workstations and servers that demand sustained high output for multi-GPU compute or dense storage arrays. 80 PLUS Gold certification confirms high efficiency across typical load ranges.

Modern Standby and silent operation

Resonant LLC topology with DC-to-DC conversion supplies clean power and reduces coil whine. Zero RPM fan mode stops the fan completely at low and medium loads for near-silent running. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency.

Compatibility checklist

Verify that your chassis accepts a standard ATX power supply and provides adequate airflow for a 2500W unit. Confirm your motherboard and backplane connectors match the unit's cable set, including any 12VHPWR or high-current EPS requirements. Ensure the AC inlet rating and facility circuit can support the full input current draw.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $2,054.99
Pricier than about 90% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

Will the ATX form factor fit a standard desktop case?

Yes, the ATX form factor matches standard desktop case mounting points.

Which cables connect first during installation?

Attach the 24-pin motherboard and CPU power cables before routing others to avoid missed connections.

How often should the fan be cleaned under Zero RPM mode?

Clean dust from the fan intake every 6 to 12 months to maintain airflow when the fan spins up.

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