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KHACHIMO 550W ATX power supply unit, matte black metal case with ventilation grille and fan

KHACHIMO

KHACHIMO 550W ATX Power Supply DS550HE-3-001 300-1848

SKU CH-86E6-82ZFC

550W ATX power supply with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for fast wake times

  • TypeATX
  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw via 80 PLUS Gold efficiency
  • Near-silent operation through Zero RPM fan mode
  • Clean, stable power from Resonant LLC with DC-to-DC
  • Reduced coil whine for quieter system performance

550W ATX Power Supply

The KHACHIMO DS550HE-3-001 is a 550W ATX power supply built for desktop PCs that require reliable, efficient power delivery. It suits builders assembling new systems or replacing older units with a modern, gold-rated design.

80 PLUS Gold Efficiency Limits

The 80 PLUS Gold certification guarantees high efficiency at typical loads, reducing power draw, heat output and acoustic noise. Efficiency drops at very low or very high utilisation, so the unit performs best within its optimal load range.

Modern Standby Compatibility Decides Fit

This unit supports Modern Standby, enabling extremely fast wake-from-sleep transitions and improved low-load efficiency. Systems without Modern Standby support cannot use these sleep states, making the feature the key factor in choosing this supply.

Highlights

  • Fast wake-from-sleep with Modern Standby support
  • Lower power draw via 80 PLUS Gold efficiency
  • Near-silent operation through Zero RPM fan mode
  • Clean, stable power from Resonant LLC with DC-to-DC
  • Reduced coil whine for quieter system performance

Specifications

TypeATX

Questions about this item

Is the 550W capacity right for my build?

A 550W unit suits mainstream CPUs and mid-range graphics cards with headroom for normal gaming loads.

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

It certifies high efficiency at typical loads, which lowers electricity draw, reduces heat and lets the fan stay off longer.

How does the ATX form factor limit what I can connect?

ATX defines the physical size and standard connector set, so it fits regular cases and supplies motherboard, CPU and PCIe power through those connectors.

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