Columbia
Supercomputer
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Columbia was a supercomputer built by Silicon Graphics for the National Aeronautics and Space Administration, installed in 2004 at the NASA Advanced Supercomputing facility located at Moffett Field in California. Wikipedia
Architecture: SGI Altix 3700/4700, 10,240 Intel Itanium 2 processors, InfiniBand SDR and DDR interconnect
Operating system: SUSE Linux Enterprise Server