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The MSI MAG A550BN delivers reliable power with 80 Plus Bronze certification, ensuring reduced energy waste and lower electricity costs. Its 120mm low-noise fan provides efficient cooling while maintaining quiet operation. Built with comprehensive protection circuits (OVP, OCP, OPP, OTP, SCP) and advanced DC-DC design, this 550W power supply offers industrial-grade reliability for demanding gaming systems. The Active PFC design further enhances power efficiency and stability under varying loads.
Product Name MAG A550BN
Form Factor ATX
Rated Wattage 550W
Efficiency Rating 80 PLUS Bronze (up to 85%)
Modular No
Fan Size 120 mm
Fan Bearing Sleeve Bearing
Dimensions (DxWxH) 150 x 140 x 86 mm
PFC Type Active PFC
Input Voltage Range 100~240 VAC
Input Frequency Range 50~60 Hz
Protection OCP / OVP / OPP / OTP / SCP
ATX (24 pin) 1
EPS (8 pin) 1
PCI-E (6+2 pin) 2
SATA (15 pin) 5
MOLEX (4 pin) 2
FDD (4 pin) 1