The document discusses IBM's new 5th generation eX5 portfolio of enterprise x86 servers. It introduces three new servers - the IBM System x3850 X5 and x3690 X5 rack servers, and the IBM BladeCenter HX5 blade server. These servers are based on Intel's Nehalem-EX processors and feature new innovations like MAX5 for scalable memory expansion and eXFlash for SSD storage. The portfolio is aimed at providing leadership performance, flexibility, and reliability for virtualization, database, and other memory-intensive workloads.