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

KHACHIMO

KHACHIMO HK400-57FP 300W ATX Power Supply

SKU CH-R8D2-VC8ZG

An ATX power supply delivering 300 W with 80 PLUS Gold efficiency, Modern Standby compatibility, a Zero RPM fan mode for silent low-load operation and resonant LLC topology

  • TypeATX
  • Modern Standby compatible for fast wake-from-sleep
  • 80 PLUS Gold certified for lower power draw and cooler running
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean power and reduces coil whine
  • 300 W ATX power supply fits standard desktop builds

300 W ATX power supply for Modern Standby systems

The KHACHIMO HK400-57FP delivers 300 W of continuous power in a standard ATX form factor. It carries 80 PLUS Gold certification for high efficiency and holds Modern Standby compatibility for rapid wake-from-sleep performance. The unit targets desktop builders who want quiet, efficient power for mainstream configurations.

Check ATX fit and cable needs before ordering

Verify that your chassis accepts a standard ATX power supply and that the fixed cable set matches your motherboard, CPU and drive connectors. The 300 W rating suits typical mid-range components; confirm your total system draw stays within this limit. No modular cables are included, so plan routing around the attached loom.

Fits standard ATX builds and frees acoustic headroom

The resonant LLC topology with DC-to-DC conversion supplies clean power while reducing coil whine. Zero RPM fan mode stops the fan completely at low and medium loads, letting the system run near-silently during light work. High efficiency lowers waste heat, easing the burden on case airflow and keeping overall temperatures down.

Points forts

  • Modern Standby compatible for fast wake-from-sleep
  • 80 PLUS Gold certified for lower power draw and cooler running
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean power and reduces coil whine
  • 300 W ATX power supply fits standard desktop builds

Caractéristiques

TypeATX

Questions sur cet article

What cables come with the KHACHIMO HK400-57FP and what must I buy separately?

The unit ships with fixed ATX, CPU and peripheral cables; no modular cables are included so nothing extra is required for a standard build.

Which version of the HK400-57FP should I choose for a 300 W system?

This single 300 W model carries 80 PLUS Gold certification and Modern Standby support, making it the appropriate choice for builds rated at or below 300 W.

What does the 80 PLUS Gold rating mean once the PSU is installed?

It guarantees at least 80 % efficiency at typical loads, reducing waste heat, fan noise and electricity cost while enabling deeper sleep states.

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