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ATX power supply unit in black metal casing with cooling fan and cable bundle

KHACHIMO

KHACHIMO PowerVault 220S 221S 584W power supply

SKU CH-4H7T-YWBSR

An 80 PLUS Gold ATX power supply delivering 584 W with zero-RPM fan mode and LLC resonant topology for silent, efficient Modern Standby operation

  • TypeATX
  • Near-instant wake from sleep with Modern Standby support
  • 80 PLUS Gold efficiency lowers power draw and heat
  • Fan stops completely at low loads for silent running
  • Resonant LLC with DC-to-DC conversion delivers clean, stable power
  • ATX form factor fits standard desktop builds

KHACHIMO PowerVault 584W ATX Power Supply

This unit delivers 584 watts of continuous power through a standard ATX form factor, making it suitable for mainstream desktop builds and workstations. Modern Standby compatibility enables extremely fast wake-from-sleep transitions and improved low-load efficiency. The 80 PLUS Gold certification confirms high-efficiency operation across typical workloads.

Thermals, Noise and Power Draw

Zero RPM fan mode stops the cooling fan entirely at low and medium loads, providing near-silent operation during everyday tasks. Resonant LLC topology with DC-to-DC conversion supplies clean, consistent power while reducing coil whine for quieter performance. High efficiency lowers power consumption, which in turn reduces waste heat and keeps internal temperatures cooler.

Bundled Technologies and Their Impact

Modern Standby support changes how the system handles sleep states, allowing quicker resume times and more energy-efficient idle behaviour. The combination of Gold-rated efficiency, fan-stop capability and resonant topology work together to cut audible noise and improve power quality without extra user configuration. These features benefit builders who prioritise quiet, efficient operation in a standard ATX chassis.

Points forts

  • Near-instant wake from sleep with Modern Standby support
  • 80 PLUS Gold efficiency lowers power draw and heat
  • Fan stops completely at low loads for silent running
  • Resonant LLC with DC-to-DC conversion delivers clean, stable power
  • ATX form factor fits standard desktop builds

Caractéristiques

TypeATX

Questions sur cet article

How do I install this ATX power supply and which step enables the Modern Standby fast wake feature?

Mount the unit in the case with four screws, connect the 24-pin ATX and CPU 8-pin cables, then ensure the motherboard’s Modern Standby header is wired so the fast wake-from-sleep feature works.

What maintenance will the 584W PowerVault need during its lifespan?

The Zero RPM fan stops at low and medium loads, reducing dust build-up; clean the intake with compressed air once a year and listen for bearing noise that signals a future fan replacement.

Which limit appears first when the 584W unit runs at sustained high load?

The 80 PLUS Gold efficiency target drops as temperatures rise, so thermal protection will throttle output before the 584W rating is exceeded.

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