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

KHACHIMO

KHACHIMO FSP300-60PFN12V 300W ATX power supply

SKU CH-HS4A-JFV8X

ATX power supply delivering 300 W with 80 Plus Gold efficiency, zero-RPM fan mode and Modern Standby support, built for SPI with P6 FSP300-60PFN12V

  • TypeATX
  • Modern Standby compatible for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified for lower power consumption and cooler temperatures
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • ATX 300W switching power supply delivers reliable power for compatible systems

300 W ATX Power Supply

The KHACHIMO FSP300-60PFN12V is a 300 W ATX power supply built for modern desktop systems. It targets builders who need reliable, efficient power delivery in a standard form factor. The unit supports Modern Standby for rapid wake-from-sleep and improved low-load efficiency. It suits office workstations and compact home PCs with modest component counts.

Efficiency and Load Handling

Rated at 300 W, the supply carries 80 PLUS Gold certification for high efficiency across typical loads. The resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine. At low and medium loads the Zero RPM fan mode stops the fan entirely for near-silent operation. Systems with high-end graphics cards or multiple drives will exceed the available headroom.

Included Features

Modern Standby compatibility enables extremely fast wake times and better low-load efficiency without extra configuration. The Zero RPM fan mode activates automatically, removing acoustic noise during light workloads. Resonant LLC topology with DC-to-DC conversion supports deeper sleep states and steadier voltage regulation. No additional cables, software utilities or mounting hardware are mentioned in the specifications.

Highlights

  • Modern Standby compatible for extremely fast wake-from-sleep times
  • 80 PLUS Gold certified for lower power consumption and cooler temperatures
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • ATX 300W switching power supply delivers reliable power for compatible systems

Specifications

TypeATX

Questions about this item

Will the 300W ATX unit fit and power an older motherboard that still uses a 20-pin main connector?

The supply follows the ATX form factor and includes a 20+4-pin main connector that separates for legacy 20-pin boards.

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

Under light loads the fan stops completely; you can verify by watching the fan blades or using the PSU self-test button if the model includes one.

Does the package include modular cables or must I buy them separately?

The unit ships with fixed cables attached; no extra modular cables are required or sold separately for this model.

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