The MSI MAG A550BN is a 550W power supply designed for PC builds, offering a reliable and efficient power delivery solution. With its sleek black finish and fully modular cabling design, it provides a clean and organized build experience. The unit operates across a wide input voltage range of 100–240V at 50/60Hz, making it suitable for use in various regions. Active cooling is handled by a 120mm fan, ensuring effective thermal management during operation. Its compact dimensions of 150 x 86 x 140mm allow for easy installation in most standard cases.
80 PLUS Bronze Efficiency and Power Factor Correction
The MSI MAG A550BN carries an 80 PLUS Bronze certification, reflecting a solid level of energy efficiency under various load conditions. It features Active Power Factor Correction (PFC), which helps optimize power usage and reduce energy waste. The unit delivers up to 45.5A on the +12V rail, with 20A available on both the +3.3V and +5V rails, ensuring stable power distribution across all connected components.
Comprehensive Protection Features
Reliability is a key aspect of the MSI MAG A550BN, supported by a robust set of built-in protection mechanisms. These include over current protection, over power protection, over voltage protection, and short circuit protection, all working together to help safeguard connected hardware against potential electrical issues. The 20+4 pin ATX motherboard connector and 4+4 pin CPU power connector ensure broad compatibility with a wide range of modern motherboards and processors.
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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