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Rectangular silver ATX power supply unit with rear fan grille and modular cable sockets

KHACHIMO

KHACHIMO DPS-550AB-2A 550W ATX power supply

SKU CH-9CCD-ZPR9Q

A 550W ATX unit with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and LLC resonant topology with DC-to-DC conversion

  • TypeATX
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption and cooler temperatures
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Modern Standby compatibility provides extremely fast wake-from-sleep times and better low-load efficiency
  • Resonant LLC topology with DC-to-DC conversion supplies clean, consistent power and reduces coil whine
  • ATX form factor fits standard desktop builds for straightforward installation

550W ATX Power Supply

The KHACHIMO DPS-550AB-2A is a new 550W ATX power supply built for modern desktop PCs. It carries 80 PLUS Gold certification for high efficiency, lower power draw and cooler running temperatures. Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and reduces coil whine. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency.

Suits builds needing Gold efficiency and silent idle

This unit fits systems where low power consumption, reduced heat and near-silent operation at light loads are priorities. The Zero RPM fan mode stops the fan entirely at low and medium loads for quiet desktop use. Builds that require higher wattage headroom for multi-GPU configurations or extreme overclocking should look at higher-capacity power supplies.

80 PLUS Gold certified efficiency

The 80 PLUS Gold rating confirms high efficiency across typical loads, cutting wasted energy and keeping internal temperatures down. This certification is the key specification that determines whether the unit meets your efficiency and thermal targets.

Points forts

  • 80 PLUS Gold certification delivers high efficiency for lower power consumption and cooler temperatures
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Modern Standby compatibility provides extremely fast wake-from-sleep times and better low-load efficiency
  • Resonant LLC topology with DC-to-DC conversion supplies clean, consistent power and reduces coil whine
  • ATX form factor fits standard desktop builds for straightforward installation

Caractéristiques

TypeATX

Questions sur cet article

How loud is the 550W unit when it runs all day?

The 80 PLUS Gold certification and Resonant LLC topology with DC-to-DC conversion lower heat and reduce coil whine, while Zero RPM Fan Mode stops the fan completely at low and medium loads for near-silent operation.

What must I already own to install this ATX power supply?

A case with an ATX PSU mount and a motherboard that accepts standard ATX power connectors are required.

Will this supply work with older hardware I want to keep?

Modern Standby compatibility enables efficient sleep states, and the Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power for older components.

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