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Rectangular ATX power supply unit in matte black finish with a 80 PLUS Gold badge visible on the side

KHACHIMO

KHACHIMO 300W ATX Power Supply FSP300-50NAV(PF)

SKU CH-5T5T-E4EYS

A 300W ATX power supply with 80 PLUS Gold efficiency, Modern Standby support, zero-RPM fan mode and resonant LLC DC-to-DC topology for clean, quiet power

  • TypeATX
  • Modern Standby support for faster wake times
  • 80 PLUS Gold certification for efficient power use
  • Zero RPM fan mode for silent low-load operation
  • Resonant LLC topology with DC-to-DC conversion for stable power
  • 300 W ATX output for reliable system performance

300W ATX Power Supply for Modern Standby Systems

This 300W ATX power supply is built for desktop PCs that rely on Modern Standby for instant wake and low idle draw. It suits office workstations, compact home builds and upgrade projects where a Gold-rated unit with silent fan behaviour is preferred. Buyers needing more than 300W for discrete graphics or heavy multi-core workloads should look elsewhere.

Check ATX Fit and Cable Reach Before Ordering

Verify that your chassis accepts a standard ATX form-factor unit and that the fixed cable lengths reach your motherboard, CPU and drive connectors without strain. The unit delivers 300W total output, so confirm your components stay within that envelope. No modular cables are mentioned, so plan routing around the attached loom.

Gold Efficiency with Zero-RPM Fan and LLC Topology

The 80 PLUS Gold certification means high efficiency across typical loads, reducing heat and electricity cost. A Zero RPM mode stops the fan completely at low and medium loads for near-silent running. Resonant LLC topology with DC-to-DC conversion supplies clean power, cuts coil whine and supports deeper sleep states for daily quiet operation.

Highlights

  • Modern Standby support for faster wake times
  • 80 PLUS Gold certification for efficient power use
  • Zero RPM fan mode for silent low-load operation
  • Resonant LLC topology with DC-to-DC conversion for stable power
  • 300 W ATX output for reliable system performance

Specifications

TypeATX

Questions about this item

Does the FSP300-50NAV(PF) include all necessary cables or must I purchase any separately?

The unit ships as a complete ATX power supply with fixed cables attached; no extra cables are required for a standard build.

The model name shows 300W and 80 PLUS Gold — how do I decide if this capacity is right for my system?

Choose this 300W Gold unit when your total component draw stays comfortably below 300W and you want high efficiency with silent low-load operation.

What does the 80 PLUS Gold rating actually deliver once the PSU is installed in a PC?

It means the supply meets 80 PLUS Gold efficiency targets, reducing waste heat and helping the Zero RPM fan stay off longer during light workloads.

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