The Chieftec EON Series ZPU-400S power supply is a robust and reliable choice for powering your PC or server. With its 80 PLUS certification, it offers high energy efficiency, reducing electricity costs and benefiting the environment. The active Power Factor Correction (PFC) enhances its efficiency further, making it an ideal solution for energy-conscious users.Designed for optimal cooling, it features a 120 mm fan with Automatic Fanspeed Control (AFC), ensuring your system remains cool and quiet, even under heavy loads. Its comprehensive protection features, including overload, overvoltage, short-circuit, surge and inrush, and undervoltage protection, provide peace of mind by safeguarding your valuable components.With a variety of power output connectors, including ATX, EPS12V, and PCI Express, the ZPU-400S offers flexible compatibility for a wide range of system configurations. Whether you're building a new PC or upgrading an existing one, the Chieftec EON Series ZPU-400S is a dependable power supply that combines performance, efficiency, and safety.