The LENOVO 00FN811 is a comprehensive IBM Planar and Cage Assembly designed to provide a robust foundation for the x3850 X6 server systems. This assembly includes the main motherboard (planar) and the cage that houses it, ensuring secure and stable installation within the server chassis. Engineered to meet the rigorous demands of enterprise environments, this assembly is built with precision to support the complex configurations of the x3850 X6 servers, including multiple processors, high-capacity memory modules, and expansive I/O options. The planar is equipped with advanced circuitry and connectors to facilitate efficient communication between components, while the cage is constructed to provide superior protection and cooling for the server's critical internals. The LENOVO 00FN811 Planar and Cage Assembly is an indispensable component for IT professionals seeking to build or refurbish their Lenovo server systems, ensuring optimal performance, reliability, and expandability.