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Rectangular ATX power supply unit, matte black metal casing with ventilation grille and fan visible

KHACHIMO

KHACHIMO X3550 3650 M2 M3 675W power supply

SKU CH-G2FH-ZVF92

675W ATX power supply with 80 PLUS Gold efficiency, Zero RPM fan mode, Modern Standby support and resonant LLC DC-to-DC topology for clean, quiet power

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw and cooler running via 80 PLUS Gold efficiency
  • Near-silent operation at low loads with Zero RPM fan mode
  • Clean, stable power delivery from resonant LLC topology with DC-to-DC conversion
  • 675 W ATX power supply compatible with X3550 and X3650 systems

Purpose and audience

The KHACHIMO X3550 3650 M2 M3 is a 675W ATX power supply built for workstations and servers that need reliable, efficient power delivery. It suits system integrators and IT professionals maintaining compatible platforms.

Upgrade context

This unit replaces failed or ageing PSUs in systems requiring the listed part numbers such as 7001484-J000, 39Y7200 and 69Y5918. The jump is worth it when the original supply no longer holds stable voltage or lacks modern standby support.

Sustained-load behaviour

80 PLUS Gold certification ensures high efficiency during continuous operation, reducing heat and fan noise. Resonant LLC topology with DC-to-DC conversion delivers clean power under load, while Zero RPM mode keeps the fan off at low and medium demand.

Punti di forza

  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw and cooler running via 80 PLUS Gold efficiency
  • Near-silent operation at low loads with Zero RPM fan mode
  • Clean, stable power delivery from resonant LLC topology with DC-to-DC conversion
  • 675 W ATX power supply compatible with X3550 and X3650 systems

Caratteristiche tecniche

TypeATX

Domande su questo articolo

What case clearance does this ATX power supply require?

It uses the standard ATX form factor, so any chassis with an ATX power-supply bay will accept it.

Which cables must be connected during installation to avoid a no-post issue?

Attach the 24-pin motherboard connector and the 8-pin CPU power connector before the first boot; missing either one is the most common reason the system will not start.

When should the cooling fan be cleaned to maintain the Zero RPM mode?

Remove dust from the fan intake and heatsink once a year, or whenever the fan begins to spin at low load, to keep the Zero RPM mode functioning correctly.

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