The IBM eServer pSeries 655 Model 651 (7039-651) is the powerful, technologically advanced family of UNIX servers. pSeries systems meet a diverse set of needs scaling from small departmental and distributed systems to massively parallel supercomputers. Each pSeries system features IBM's UNIX operating system AIX 5L, the most open UNIX with Linux affinity. The ultra-powerful pSeries 655 Model 651 sets the standard for supercomputing class UNIX servers with its mainframe-heritage LPAR and selfmanaging features.