The growth of Artificial Intelligence (AI) has fueled data center expansion and the need for efficiency. Electricity is the biggest cost, making power conversion efficiency crucial. The demand for AI data center, cloud computing, and connectivity requires higher rack power density and adapting to a 48-volt backplane. onsemi provides power supply solutions for designing high-density, energy-efficient rack server systems: EliteSiC MOSFETs & JFETs, PowerTrench T10 MOSFETs, PoL buck regulators, smart fuses, smart power stage modules and multiphase DC-DC controllers. These solutions optimize energy consumption, reduce costs, and meet the demands of modern servers while ensuring performance and sustainability.