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

KHACHIMO

KHACHIMO EPW15-48A 800W ATX power supply

SKU CH-3MBM-PT13D

An 800W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby compatibility for silent, low-power operation

  • TypeATX
  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold efficiency lowers power draw and heat
  • Zero RPM fan mode stops the fan at low loads
  • Resonant LLC with DC-to-DC conversion delivers stable voltage and reduces coil whine
  • 800 W ATX output powers demanding builds with headroom

800W ATX power supply for modern PCs

The KHACHIMO EPW15-48A is an ATX form-factor unit built for desktop builders who want an 80 PLUS Gold certified supply with Modern Standby compatibility. It delivers 800W of continuous power through a resonant LLC topology with DC-to-DC conversion for clean voltage regulation. The zero RPM fan mode keeps the system silent at low and medium loads while enabling efficient sleep states.

80 PLUS Gold certified efficiency

The single specification that determines suitability is the 80 PLUS Gold certification, which guarantees high efficiency across typical loads for lower power draw, reduced heat and quieter operation. This efficiency level is the deciding factor for builders who prioritise energy savings and thermal headroom in their component selection. Without this rating the unit would not meet the same standard for sustained performance.

Handles mid-range to high-end single-GPU builds

An 800W capacity comfortably powers mainstream processors paired with a single high-performance graphics card and multiple drives while leaving headroom for transient spikes. It runs out when a system demands sustained loads beyond 800W such as dual flagship GPUs or extreme overclocking scenarios that exceed the rated output. The Modern Standby support also ensures fast wake times for compatible platforms.

Pontos fortes

  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold efficiency lowers power draw and heat
  • Zero RPM fan mode stops the fan at low loads
  • Resonant LLC with DC-to-DC conversion delivers stable voltage and reduces coil whine
  • 800 W ATX output powers demanding builds with headroom

Especificações

TypeATX

Perguntas sobre este artigo

What does the 800 W rating mean once the unit is installed in a real PC?

It means the supply can deliver up to 800 W of continuous DC power to the components, so a build with a high-end graphics card and multi-core CPU has headroom for peak loads.

What does the ATX specification cap in practice for this power supply?

The ATX form factor fixes the physical dimensions and the standard 24-pin, CPU and PCIe connector layout, ensuring it fits ordinary cases and motherboards without adapters.

What does the EPW15-48A model need to fit or mount in a standard chassis?

It uses the regular ATX mounting screw pattern and standard length, so it secures with four screws in any case designed for ATX power supplies.

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