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Rectangular black ATX power supply unit with cooling fan visible

KHACHIMO

KHACHIMO PSD500S55 500W ATX Power Supply

SKU CH-30ZT-MMBMQ

ATX 500W PSU with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby support

  • TypeATX
  • Modern Standby compatible for fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certified for lower power consumption, less noise 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 delivers clean power and reduces coil whine
  • 500 W ATX power supply built for reliable system performance

KHACHIMO PSD500S55 ATX Power Supply

This 500W ATX unit delivers 80 PLUS Gold efficiency for lower running costs and cooler operation. Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency. Resonant LLC topology with DC-to-DC conversion provides clean, consistent power while reducing coil whine. The Zero RPM fan mode stops the fan entirely at low and medium loads for near-silent operation.

Suitable For

Builders seeking an efficient, quiet ATX power supply for Modern Standby systems benefit from the Gold certification and fan-stop feature. The 500W output supports mainstream configurations with fast sleep transitions. Users needing higher wattage for multi-GPU setups or extreme overclocking should look at higher-capacity units. Systems requiring proprietary form factors or server-grade redundancy are not supported by this standard ATX design.

500W ATX Output

The 500W rating is the single figure that determines whether this unit matches your build's power requirements. It sets the total continuous power available to the CPU, GPU, drives and peripherals combined. Verify your system's peak draw against this number before purchasing. No other specification overrides this capacity limit.

Highlights

  • Modern Standby compatible for fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certified for lower power consumption, less noise 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 delivers clean power and reduces coil whine
  • 500 W ATX power supply built for reliable system performance

Specifications

TypeATX

Questions about this item

Should I pick the 500W model or a higher capacity?

The 500W rating covers typical mid-range builds with a single GPU; choose a larger unit only if your planned components exceed this output.

What does the 80 PLUS Gold badge tell me about daily use?

It means the supply runs at high efficiency across normal loads, so less power turns into heat and the fan can stay off longer.

How does the ATX form factor limit what I can install it in?

It fits standard ATX cases and motherboards, but will not mount in SFX or TFX chassis designed for smaller power supplies.

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