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Rectangular ATX power supply unit with matte black metal casing and rear fan grille

KHACHIMO

KHACHIMO EX3200 EX4200 320W Power Supply

SKU CH-9HH4-R7EQF

A 320 W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for fast wake times

  • TypeATX
  • Modern Standby compatible for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power
  • 320W ATX switching power supply for EX3200 and EX4200 systems

320W ATX Power Supply

This KHACHIMO unit delivers 320 watts of continuous power through a standard ATX form factor. It carries 80 PLUS Gold certification for high efficiency and lower running costs. Modern Standby support enables extremely fast wake-from-sleep times and improved low-load efficiency. Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine.

Who this suits and who should look elsewhere

Ideal for compact or mainstream builds needing quiet, efficient 320W ATX power with Modern Standby support. The Zero RPM fan mode keeps operation near-silent at low and medium loads. Builders requiring higher wattage for discrete graphics cards or multi-drive arrays should choose a higher-capacity unit instead.

80 PLUS Gold efficiency

The Gold rating guarantees high efficiency across typical loads, reducing power consumption, noise, and heat output. This single specification confirms the unit meets strict energy standards for modern desktop systems.

Highlights

  • Modern Standby compatible for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified for high efficiency and lower power consumption
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power
  • 320W ATX switching power supply for EX3200 and EX4200 systems

Specifications

TypeATX

Questions about this item

Will the ATX form-factor and 320 W output fit and power my older motherboard that uses a 24-pin ATX connector?

Yes, the unit follows the ATX standard and delivers 320 W, matching the 24-pin connector on older boards.

How can I confirm the Zero RPM fan mode is active after installation?

Under light loads the fan stays off completely; you can verify by listening for silence or using software to monitor fan RPM at idle.

Does the package include the AC power cord and all modular cables needed for a typical build?

The box contains the power supply unit; the AC cord and any modular cables are sold separately.

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