MSI MAG A550BN 550W 80 Plus Bronze Power Supply is an Entry level power supply that is also very budget friendly. MAG A550BN provides players with a safe, reliable, and efficient entry-level power supply option. Its core features include 80 PLUS Bronze certification, DC to DC circuit design, 12V single rail, active PFC, and low-noise fan. The MAG A550BN will be one of the best choices for players who are just getting started with looking into DIY computers. After installation, gamers can immediately enjoy a reliable performance experience without additional settings.120mm LOW Noise FANMSI MAG A550BN Power Supply has a 120 mm cooling fan. The fan is made with sleeve bearing. These bearings reduces the noise overall noise made by the fan. so very low noise is generated while maintaining excellent heat dissipation.80 PLUS BRONZE CertifiedThe efficiency of a power supply directly influences the system’s performance and power consumption. The 80 PLUS BRONZE certification promises lower energy consumption when ensuring higher efficiency. The EFFICIENCY of this PSU is Up to 85%.DC To DC Circuit DesignAdopted DC-DC circuit design reduces the instability of output voltage, and ads stability to the supply of power.Comprehensive Circuit ProtectionMSI MAG A550BN Power Supply supports OCP, OVP, SCP, OPP, OTP protection mechanisms and provides comprehensive protection to your systems. The dimension of this product is 150mm x140mm x86mm. MSI MAG A550BN comes with a 05 years of warranty.