At least on the supercomputing side, they're switching to ARM: http://www.fujitsu.com/global/Images/post-k-supercomputer-overview.pdf http://www.fujitsu.com/glo

At least on the supercomputing side, they're switching to ARM: http://www.fujitsu.com/global/Images/post-k-supercomputer-overview.pdf http://www.fujitsu.com/global/Images/post-k-supercomputer-ov... (no idea about whether mainframes will continue using SPARC)