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Rectangular black ATX power supply with gold efficiency badge

KHACHIMO

KHACHIMO GPS-550LB G 550W 80 PLUS Gold ATX power supply

SKU CH-2ME3-7997D

An ATX power supply delivering 550W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby compatibility for fast wake times

  • TypeATX
  • Modern Standby support enables extremely fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption, less noise, and cooler temperatures
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • DC-to-DC conversion enables use of more energy efficient sleep states

550W ATX Gold power supply

The KHACHIMO GPS-550LB G delivers 550 watts of continuous power in a standard ATX form factor. It targets mainstream desktop builders who need efficient, quiet operation for everyday computing and moderate gaming workloads. 80 PLUS Gold certification confirms high efficiency across typical load ranges.

Replaces older Bronze or unrated units

Moving up from a lower-efficiency supply cuts waste heat and reduces electricity draw at the wall. The resonant LLC topology with DC-to-DC conversion supplies tighter voltage regulation, which benefits modern CPUs and GPUs that demand stable rails during sleep-state transitions. Systems without Modern Standby support will not use the fast wake capability.

Sustained load behaviour

Under prolonged load the fan remains off until medium loads are reached, thanks to the Zero RPM mode. When the fan does spin, the LLC resonant design keeps coil whine low while maintaining clean power delivery. Efficiency stays high throughout extended sessions, limiting temperature rise inside the case.

Pontos fortes

  • Modern Standby support enables extremely fast wake-from-sleep and better low-load efficiency
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption, less noise, and cooler temperatures
  • Zero RPM fan mode stops the fan at low and medium loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine
  • DC-to-DC conversion enables use of more energy efficient sleep states

Especificações

TypeATX

Perguntas sobre este artigo

Does the ATX form factor fit a standard mid-tower case?

The ATX form factor matches the mounting holes and depth of standard mid-tower and full-tower cases.

How do I enable the Zero RPM fan mode?

Zero RPM activates automatically when the load stays in the low-to-medium range; the fan spins up only when temperature or load rises above the internal threshold.

What maintenance does the fan need over time?

Occasional dust removal from the intake grille keeps airflow unrestricted; because the fan stops at low load it accumulates less dust than always-spinning units.

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