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The Power 710 Express is a one-socket, 2U rack server; the Power 720 Express is a one-socket server available as either a 4U or a tower; the Power 730 Express is a two-socket, 2U rack server; and the Power 740 Express is a one- or two-socket server in either a 4U rack or a tower configuration.
They can be loaded with IBM's AIX Unix, Linux, or IBM i, which was previously known as i5/OS.
On the high-end, IBM is offering the Power 795, a server capable of scaling to 64 processors and 8TB of memory. IBM says it is more than four times the performance of the best of IBM's previous generation of servers, the Power 595.
The Power 795 also has a number of unique IBM features to improve performance. It uses IBM's EnergyScale technology to vary the CPU clock frequency based on the workload, while Active Memory Expansion uses memory compression technology to make the physical memory on the server appear to be double what it actually is.
The new servers also come with IBM's PowerVM virtualization software, which can run more than 1,000 virtual servers on a single physical system. Customers can connect two Power 795 systems with Power Flex, which allows administrators to shift workloads between systems while they are running live, helping to balance workloads without interruption.
I've never played with any of IBM's high end toys, but I sure as hell wouldn't mind trying one out
