Systems Systems Mainframe - Although “Big Iron” marked its 50th anniversary in 2014, today’s mainframe continues to be the world’s dominant transaction processing platform, and it’s also becoming an Enterprise Server that is more relevant, practical, and powerful than ever. Midrange - Many organizations find Power® Systems to be the right fit for mission-critical processing, data analytics, cloud computing, and open systems infrastructure. Servers - The world demands servers designed for big data that are optimized, secure, and adapt to changing business demands. Servers that deliver superior cloud economics with secure and open choices and incorporate innovation from a growing, open ecosystem that broadens application choice and enhances optimization.