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Rectangular black ATX power supply unit with cooling fan visible

KHACHIMO

KHACHIMO 495W Power Supply DS495SPE-3 7315446

SKU CH-SN2A-81GYF

A 495W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for silent, efficient operation

  • TypeATX
  • Faster wake from sleep with Modern Standby support
  • Lower power draw and cooler running thanks to 80 PLUS Gold efficiency
  • Near-silent operation at typical loads via Zero RPM fan mode
  • Clean, stable power delivery from resonant LLC topology with DC-to-DC conversion
  • Reduced coil whine for quieter performance under load

495W ATX power supply

The KHACHIMO DS495SPE-3 delivers 495 watts of continuous power in a standard ATX form factor. It is built for desktop systems that require reliable energy delivery and support for Modern Standby sleep states. The unit suits builders who value efficiency certifications and low-noise operation in everyday computing workloads. It is not intended for high-end multi-GPU configurations or workstations that demand substantially higher wattage headroom.

80 PLUS Gold thermals and acoustics

An 80 PLUS Gold rating means the supply runs with high efficiency across typical loads, reducing waste heat and keeping internal temperatures lower. A Zero RPM fan mode stops the cooling fan completely at low and medium loads, providing near-silent operation during light tasks. Resonant LLC topology with DC-to-DC conversion further minimises coil whine and supports efficient low-power sleep states. These features combine to offer quieter performance without requiring manual fan curves.

Modern Standby and clean power benefits

Modern Standby compatibility enables extremely fast wake-from-sleep times and improved low-load efficiency for connected standby scenarios. The resonant LLC and DC-to-DC design delivers clean, consistent voltage regulation that reduces electrical noise on sensitive rails. Together, these attributes improve system responsiveness after sleep and contribute to stable operation for components that are sensitive to ripple. No additional software or bundled accessories are mentioned to alter this behaviour.

Highlights

  • Faster wake from sleep with Modern Standby support
  • Lower power draw and cooler running thanks to 80 PLUS Gold efficiency
  • Near-silent operation at typical loads via Zero RPM fan mode
  • Clean, stable power delivery from resonant LLC topology with DC-to-DC conversion
  • Reduced coil whine for quieter performance under load

Specifications

TypeATX

Questions about this item

How do I install the KHACHIMO DS495SPE-3 into an ATX case, and what step do builders often miss?

Mount the unit with the four case screws, connect the 24-pin ATX, CPU and GPU cables, then enable Modern Standby in the motherboard BIOS or the fast wake feature will not work.

What maintenance will the 495W unit need after a few years of use?

The Zero RPM Fan Mode keeps the fan off at low loads, so dust builds up slowly; clean the intake grill with compressed air once a year to maintain airflow.

Which limit appears first when the DS495SPE-3 runs at full load for long periods?

The 80 PLUS Gold efficiency target is the first constraint; sustained 495W output raises internal temperature until the fan must spin up to stay within thermal limits.

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