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Rectangular black metal ATX power supply unit with cooling fan visible on one side

KHACHIMO

KHACHIMO 300W ATX Power Supply P1A-6301

SKU CH-QQDV-38V75

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

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

300W ATX Power Supply

The KHACHIMO 300W ATX unit suits office desktops and low-power builds that demand efficient, quiet power delivery. It targets users who value Modern Standby support for instant wake times and 80 PLUS Gold efficiency in a compact form factor.

Installation and Common Issues

Standard ATX dimensions and connectors allow straightforward mounting in most chassis, while the DC-to-DC topology simplifies cable routing. Installers should verify that the 300W ceiling matches the system's peak draw, as exceeding it triggers protection shutdowns.

Capacity and Headroom

The 300W rating comfortably handles integrated graphics, entry-level discrete cards, and typical productivity workloads with the Zero RPM fan staying silent at low loads. Heavy gaming GPUs, multi-drive arrays, or overclocked CPUs will exceed the available headroom and require a higher-wattage unit.

Highlights

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

Specifications

TypeATX

Questions about this item

How do I confirm the 80 PLUS Gold efficiency is active after installing the KHACHIMO P1A-6301?

The unit meets 80 PLUS Gold certification, so it will operate at high efficiency across typical loads; you can verify this by monitoring system power draw with a watt-meter or software that reports PSU efficiency.

Which cables and connectors are included with the KHACHIMO 300W ATX supply, and what must I purchase separately?

The power supply ships with the standard ATX connector set required for a typical build; any specialised adapters or extra-length cables for non-standard cases would need to be sourced separately.

Should I choose the 300W model or a higher-wattage version for a modern standby build?

The P1A-6301 is a 300W unit designed for Modern Standby compatibility; select it if your total system draw stays within that limit, otherwise a higher-capacity model would be required.

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