How 1,100 Macs built one of the world's fastest supercomputers

In 2003, Virginia Tech built a supercomputer called System X that ranked as the world's third-fastest machine at the time. It achieved this feat by linking together 1,100 Apple Power Mac G5 desktop computers, using off-the-shelf consumer hardware instead of expensive custom silicon.

This project demonstrated a major shift in high-performance computing, proving that clusters of commodity PCs could rival specialized supercomputers at a fraction of the cost. It made supercomputing power accessible to academic institutions and inspired similar cost-effective approaches that continue today. The legacy of System X shows how clever engineering with existing hardware can achieve extraordinary results.