The new Dell/EMC CX4 series provides high performance future-ready platforms for your critical data that are both highly available and flexible. The innovations and modularity offered with these massively scalable storage arrays helps protect your organization's bottom line by allowing your storage infrastructure to meet your needs today and tomorrow. This white paper describes the architecture and functionality of the Dell/EMC CX4 Series Storage Arrays, including new design innovations such as UltraFlex modular I/O technology.