The MSI MAG A550BN is a 550W power supply designed for PC builds, offering a solid combination of performance and efficiency. With an 80 PLUS Bronze certification, this unit delivers reliable power while keeping energy waste to a minimum. Its fully modular cabling design allows for a clean and organized build, making cable management straightforward. The compact dimensions of 150 x 86 x 140 mm and a sleek black finish make it a versatile fit for a wide range of cases.
Stable and Protected Power Delivery
The MSI MAG A550BN provides a maximum output of 550W, with up to 45.5A on the +12V rail, ensuring stable power for demanding components. The unit supports a wide input voltage range of 100–240V at 50/60Hz, making it suitable for use in various regions. To safeguard your system, it includes multiple protection features such as over current, over power, over voltage, and short circuit protection, helping to keep connected components safe during unexpected power events.
Efficient Cooling and Connectivity
Active cooling is handled by a 120mm fan, which helps maintain optimal operating temperatures while keeping noise levels manageable. The Active Power Factor Correction (PFC) improves power efficiency and reduces harmonic distortion. Connectivity options include a 20+4 pin ATX motherboard connector and a 4+4 pin CPU power connector, ensuring broad compatibility with modern motherboards. The modular design means only the cables you need are connected, contributing to better airflow inside your case.
Product number manufacturer:
MAG A550BN
Certificates
Connectivity
CPU power connector (4+4 pins):
Motherboard power connector:
20+4 pin ATX
Cooling
Energy management
Max output current (+12V):
45.5 A
Max output current (+3.3V):
20 A
Max output current (+5V):
20 A
Power Factor Correction (PFC) type:
Active
Physical characteristics
Technical details
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