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Rectangular ATX power supply unit with matte black finish and visible cooling fan grille

KHACHIMO

KHACHIMO 510 ATX 550W T51X-TY power supply

SKU CH-XM81-Y3D62

An ATX power supply delivering 550 W with 80 PLUS Gold efficiency, Modern Standby support, a Zero RPM fan mode for silent low-load operation, and resonant LLC plus DC-to-DC topology for stable.

  • TypeATX
  • Modern Standby support for rapid wake-from-sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low loads
  • Resonant LLC with DC-to-DC gives clean, stable power
  • ATX 550 W output fits standard 510 chassis builds

550W ATX Power Supply for Modern PCs

The KHACHIMO 510 ATX unit delivers 550 watts of continuous power for desktop builds. Its 80 PLUS Gold certification confirms high efficiency across typical loads. Modern Standby compatibility enables extremely fast wake-from-sleep times. This unit suits builders who want reliable energy use without paying for higher wattage they will not use.

Thermals, Noise and Power Draw

At low and medium loads the Zero RPM fan mode stops the fan completely for near-silent operation. The 80 PLUS Gold rating means less waste heat and lower power consumption under normal use. Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine. These features keep the system cool and quiet during everyday workloads.

What the Design Changes

Modern Standby support allows the PC to enter and exit low-power sleep states more efficiently. The LLC resonant topology and DC-to-DC conversion enable these deeper sleep states while maintaining stable voltage regulation. Zero RPM mode removes fan noise entirely during light tasks such as browsing or idle. Builders who need a semi-passive profile at modest loads gain a tangible benefit.

Highlights

  • Modern Standby support for rapid wake-from-sleep
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode stops the fan at low loads
  • Resonant LLC with DC-to-DC gives clean, stable power
  • ATX 550 W output fits standard 510 chassis builds

Specifications

TypeATX

Questions about this item

How do I install this 550W ATX power supply and what step is often missed?

Mount the unit in the case with four screws, connect the 24-pin ATX, CPU and GPU cables, then enable Modern Standby in the BIOS so the fast wake-from-sleep feature actually works.

What maintenance or replacement will this PSU need later?

The Zero RPM fan mode keeps the fan off at low load, reducing wear; if the fan ever becomes noisy or stops spinning under load, replace the entire unit as the fan is not user-serviceable.

What limit appears first under sustained heavy load?

The 550W continuous output ceiling is reached before any thermal throttle; the 80 PLUS Gold efficiency and LLC resonant topology keep temperatures lower, but total draw cannot exceed 550W.

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