Gamdias HELIOS M1-550B 550W 80 Plus Bronze Power Supply
A 550W ATX power supply designed for desktop systems. It combines 80 PLUS Bronze efficiency, a 120mm hydraulic-bearing fan and active power factor correction.
Key specifications
- Model: HELIOS M1-550B
- Total output power: 550W
- Standard: ATX12V v2.4
- Efficiency: 80 PLUS Bronze certified
- Cooling: 120mm hydraulic-bearing fan
- Power factor correction: APFC, PF up to 0.99 (source listing)

















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