System X is a supercomputer assembled by Virginia Tech in the summer of 2003, comprising 1,100 Apple PowerMac G5 computers. The supercomputer's name (pronounced "System Ten") originates from the use of the Mac OS X operating system for each node, and because it was the first university computer to achieve 10 teraflops on the high performance LINPACK benchmark. On November 16, 2003, it was ranked by the TOP500 list as the third-fastest supercomputer in the world. It is touted as "the world’s most powerful and cheapest homebuilt supercomputer." [1]
System X was constructed with a relatively low budget of just $5.2 million, in the span of only three months, gained in large part because it used off-the-shelf G5 computers with dual-2.0 GHz processors. (By comparison, the fastest contemporary supercomputer, Earth Simulator, cost approximately $400 million to build.)
As of February 2004, Virginia Tech planned to upgrade its computer to Apple's newly-released Xserve G5 servers.
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