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IBM is adding to its Power7 server line with three new blade servers designed for back-end computing workloads that take advantage of the performance enhancements in the new processor platform.

Along with the new systems unveiled April 13, IBM also is rolling out a new edition of its AIX Unix operating system aimed at SMBs and an enhanced IBM i 7.1 operating environment. In addition, IBM officials said the beta of its upcoming AIX 7 will be released in the summer.

IBM is continuing an aggressive rollout of products based on the Power7 platform, which IBM introduced in February with four new servers. Though x86 servers continue to grow their share of the overall server market – some estimates say more than 90 of all servers that ship are x86-based – the high-end RISC space still generates about 40 percent of the global server revenues.