All-flash technology is the way of the future. Performance matters, and flash is fast—and it is getting even faster with the advent of NVMe and SCM technologies. IT organizations are going to continue to increase the amount of flash storage in their shops for this simple reason. However, this also introduces more complexity into the modern data center. In this white paper, the Enterprise Strategy Group (ESG) discusses the modern data center challenge, buying considerations before your next flash purchase, and the value of storage infrastructure independence and how to obtain it with software-defined storage.