About this item EXTREME SILENCE: The MPB550SI ATX power supply is equipped with an SI fan featuring an advanced copper core and FDB bearings, minimizing friction, extending its lifespan, and ensuring ultra-quiet, stable operation; The fan's advanced frame structure and acceleration channels ensure optimal heat dissipation and continuous airflow 7-YEAR WARRANTY: The MPB550SI power supply comes with an extended 7-year warranty; It also includes electronic protection and safety systems: OPP, OVP, UVP, SCP, and OCP; Developed in Europe AI2-RPM SMART CONTROL: The MPB550SI’s AI2-RPM technology uses machine learning and artificial intelligence to adjust fan speed in real-time based on system load, guaranteeing total silence, maximum efficiency, and optimal performance DC-DC AND SMD TECHNOLOGIES: The 80 Plus Bronze MPB550SI power supply incorporates DC-DC technology to support demanding graphics cards with a powerful 12V rail and SMD technology, designed to extend the power supply's durability and reduce energy consumption by 20%, protecting the most sensitive components 80 PLUS BRONZE AND PREMIUM CABLING: With 80 Plus Bronze 230V EU certification, the MPB550SI power supply guarantees over 90% efficiency, achieving the perfect balance between power, sustainability, and performance; Additionally, its extra-long flat black cables offer a clean, professional look, making installation easy in any case and including the following connectors: 1x ATX MB 24 PIN, 1x EPS +12V 4+4 PIN, 1x PCIe 6+2 PIN, 4x SATA, 2x Molex 4 PIN