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KHACHIMO RD452x 550W ATX power supply unit with matte black finish and cooling fan

KHACHIMO

KHACHIMO RD452x 550W ATX Power Supply PS-2551-7Q

SKU CH-PQYD-VS4F2

An ATX power supply delivering 550 W with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion, model RD452x PS-2551-7Q

  • TypeATX
  • Fast wake from sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps operation silent at low loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean power
  • 550 W ATX output handles mainstream system builds

KHACHIMO RD452x 550W ATX Power Supply

The KHACHIMO RD452x is a 550 watt ATX power supply built with resonant LLC topology and DC-to-DC conversion. It delivers clean, consistent power for desktop systems and supports Modern Standby for rapid wake-from-sleep. The unit carries 80 PLUS Gold certification for high efficiency across typical loads. A zero RPM fan mode stops the fan completely at low and medium loads for near-silent operation.

Suited for efficiency-focused builds that value

This supply suits builders who want high efficiency, low noise, and Modern Standby support in a standard ATX form factor. The zero RPM mode benefits quiet workstations and media PCs. Builds requiring higher wattage or non-ATX form factors should consider other options. Systems needing specialised server or redundant features are not addressed by this unit.

80 PLUS Gold certified efficiency

The 80 PLUS Gold certification confirms high efficiency operation that reduces power consumption, noise, and operating temperatures. This single specification determines whether the unit meets the efficiency and thermal targets for your build. Verify that 550 watts satisfies the total system power draw before purchasing.

Helstu kostir

  • Fast wake from sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps operation silent at low loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean power
  • 550 W ATX output handles mainstream system builds

Tæknilýsing

TypeATX

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Does the 80 PLUS Gold rated 550W unit run quietly during all-day loads?

It holds 80 PLUS Gold certification for high efficiency and lower heat, and the Zero RPM fan mode keeps the fan off at low and medium loads for near-silent operation.

What motherboard power connector does the ATX supply require to start up?

The unit follows the ATX form factor, so it connects to a standard 24-pin motherboard socket and matching CPU power header.

Will the Modern Standby support work with my older board that lacks low-power idle states?

Modern Standby compatibility enables fast wake times and efficient sleep states, while the resonant LLC topology with DC-to-DC conversion still delivers clean power on legacy platforms.

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