The GIGABYTE P550B is a 550W ATX power supply with 80 PLUS Bronze efficiency, a 120mm hydraulic-bearing fan and non-modular cabling. It uses active PFC and a single +12V rail.
Key Specifications
- Model Name: P550B
- Rated Output: 550W
- Efficiency: 80 PLUS Bronze
- Cabling: Non-modular
- Cooling: 120mm hydraulic-bearing fan
- Dimensions: 150 × 140 × 86mm
- Input Voltage: 100–240V AC
- Power Design: Active PFC; single +12V rail
- Protections: OVP, OPP, SCP, UVP, OCP and OTP
Compatibility Notes
- Check available PCIe and CPU connectors against the system’s requirements.
- Warranty is omitted because a supported term for this exact listing has not been confirmed.









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