<P> ESA12000 FC is designed for the data center where there is a need to configure high capacity systems matched with application specific performance demands. ESA12000 building blocks can be configured to provide unlimited capacity, and scaleable performance in a small footprint using pre-configured building blocks in industry standard size cabinets. ESA12000 includes built in and optional features for multi-vendor operating environments, and stringent data center availability requirements. </P>