Sursa MSI MAG A550BN 80+ Bronze SPECIFICATIONS Product Name MAG A550BN PSU Form Factor ATX Power Watt 550W Input Voltage 100-240Vac Input Current 115Vac/8.0A max. 230Vac/4.0A max. Input Frequency 50Hz ~ 60Hz Efficiency Up to 85% (80 Plus Bronze) Fan Size