Seasonic is a premium manufacturer of power supply units (PSUs) for PCs and servers. The company is highly respected for its high efficiency, reliability, and engineering quality. Seasonic PSUs are widely used in gaming PCs, workstations, and enterprise systems. The brand is known for producing some of the most stable and long-lasting power supplies in the industry. It also manufactures PSUs for other major brands (OEM production). Seasonic is considered a top-tier name in power supply technology.