The MSI MAG A550BN is a 550W power supply designed for computer systems requiring stable and efficient power delivery. It features a 12cm fan for cooling, ensuring that the power supply operates quietly and efficiently. With an 80 PLUS BRONZE efficiency rating, it guarantees lower electricity usage and cost. The power supply is non-modular, with fixed cables, and comes in a sleek black color. It supports a variety of connectors, including 2 PCI Express power connectors (6+2 pin), 5 SATA connectors, and 2 MOLEX power connectors, making it versatile for different system builds. The MAG A550BN also boasts a 5-year warranty, providing peace of mind for its durability and reliability. Its dimensions are 150 x 140 x 86 mm, fitting well in standard ATX cases.