MSI MAG A500DN 500W 80 PLUS Power Supply | 306-7ZP6A17-80980 PLUS STANDARD : The efficiency of your power supply directly influences your systems performance and your power consumption. The 80 PLUS certification promises lower energy consumption and 80% efficiency.ACTIVE PFC DESIGN : The active PFC improves the efficiency of power output and provides a more stable environment for other PC components to operate in.PROTECTION DESIGN : Protection is designed to protect the unit mechanisms and provides comprehensive protection.TEMPERATURE ADAPTATION : Your system can safely operate at maximum load in temperatures up to 40C. This power supply unit is made to last, regardless of what environment your system is in.120MM LOW NOISE FAN : The 120mm fan reduces the noise generated while maintaining excellent heat dissipation.