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Rectangular black ATX power supply unit with cooling fan grille and cable bundle

KHACHIMO

KHACHIMO 300W ATX Power Supply PS-6301-07

SKU CH-GFNH-93GBM

A 300 W ATX power supply 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
  • Lower power draw and cooler running via 80 PLUS Gold efficiency
  • Near-silent operation as fan stops at low loads
  • Clean, stable power from resonant LLC with DC-to-DC conversion
  • Reduced coil whine for quieter performance

300W ATX Power Supply

The KHACHIMO PS-6301-07 delivers 300 watts of continuous power in a standard ATX form factor. It targets mainstream desktop builds and replacement upgrades where a compact, efficient unit is preferred. The unit carries 80 PLUS Gold certification for verified efficiency across typical loads. Modern Standby compatibility ensures rapid wake-from-sleep response for supported platforms.

Sustained load behaviour

Under continuous demand the resonant LLC topology with DC-to-DC conversion maintains tight voltage regulation and low ripple. The design reduces coil whine and supports deeper sleep states without instability. Zero RPM fan mode keeps the cooling fan stationary at low and medium loads, eliminating acoustic noise during everyday tasks. When thermal limits rise the fan engages smoothly to maintain safe temperatures.

Build quality and connectors

Gold-rated efficiency lowers waste heat, allowing the internal layout to run cooler over long periods. The ATX connector set fits standard motherboards and peripherals without adapters. Modern Standby support means the unit meets strict low-power timing requirements for instant-on scenarios. Builders needing higher wattage or additional PCIe connectors should consider a larger capacity model.

Highlights

  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw and cooler running via 80 PLUS Gold efficiency
  • Near-silent operation as fan stops at low loads
  • Clean, stable power from resonant LLC with DC-to-DC conversion
  • Reduced coil whine for quieter performance

Specifications

TypeATX

Questions about this item

How loud is the PS-6301-07 when the system idles all day?

Its Zero RPM Fan Mode stops the fan completely at low and medium loads, giving near-silent operation during typical desktop use.

What motherboard power connectors must my board provide for this ATX unit?

The supply follows the ATX form factor, so the board needs a 24-pin main connector and a 4- or 8-pin CPU power header.

Will the 300 W Gold-rated design work reliably with older components that draw little power?

Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and supports modern low-power sleep states, helping stability with legacy parts.

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