he Gamdias Helios M1-550B SMPS is a reliable 550W power supply unit designed for gaming and professional PC builds. Featuring an 80 PLUS Bronze certification, it ensures up to 85% energy efficiency, reducing heat and power costs. Equipped with a 120mm hydraulic bearing smart fan, it automatically adjusts fan speed based on temperature for quiet operation and optimal cooling. The non-modular design includes flat black cables for easy installation and improved cable management.