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Rectangular metal PSU unit with matte black finish, cooling fan grille, and rear power socket

KHACHIMO

KHACHIMO 550W ATX Power Supply GW-ERP1U550B 80 PLUS Gold

SKU CH-7Y4Z-JKBVY

ATX power supply delivering 550 W with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode, resonant LLC topology with DC-to-DC conversion and model GW-ERP1U550B

  • TypeATX
  • Faster wake-from-sleep with Modern Standby support
  • Lower power draw thanks to 80 PLUS Gold efficiency
  • Near-silent operation via Zero RPM fan mode
  • Clean, stable power from LLC resonant topology with DC-to-DC
  • Cooler, quieter performance through high-efficiency design

550W ATX Power Supply

This 550W ATX power supply delivers 80 PLUS Gold efficiency for modern desktop builds. It is suited for users who value low heat output and reduced electricity draw during everyday workloads.

Modern Standby and Zero RPM Features

Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency. The Zero RPM fan mode stops the cooling fan at low and medium loads for near-silent operation.

Resonant LLC with DC-to-DC Topology

The resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine for quieter operation. This design also enables the use of more energy efficient sleep states.

Puntos fuertes

  • Faster wake-from-sleep with Modern Standby support
  • Lower power draw thanks to 80 PLUS Gold efficiency
  • Near-silent operation via Zero RPM fan mode
  • Clean, stable power from LLC resonant topology with DC-to-DC
  • Cooler, quieter performance through high-efficiency design

Especificaciones

TypeATX

Preguntas sobre este artículo

Will the fan on this 550W power supply need replacement after long-term use?

The Zero RPM Fan Mode keeps the fan off at low and medium loads, reducing wear and extending its service life.

What limits sustained output on this 550W unit?

The 550W rated capacity is the ceiling; continuous draw above that level will trigger protection and shut the unit down.

How much heat and noise does this 550W PSU produce when running all day?

80 PLUS Gold efficiency and Zero RPM Fan Mode keep temperatures lower and noise near-silent at typical loads.

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