The Intel Paragon XP/S system offers a high level of performance, flexibility, usability, and programming for demanding supercomputing applications. The Paragon system delivers scalable performance of up to 300 GFLOPS, backed with an architecture that will yield affordable, practical teraFLOPS by the middle of the decade. The system is designed for effective usage in distributed, production supercomputing environments, and includes a comprehensive suite of tools for developing and porting applications that realize high sustained performance.