HP has been shipping HP 9000 servers with PA-RISC microprocessors since about 1990. Since that time, nearly 100 different models of servers have been introduced ranging from single-CPU entry-level machines to enterprise-class Superdome models that support 128 cores. Today, thousands of companies worldwide rely on HP 9000 servers and the HP-UX operating system as key components of their IT infrastructure. Several years ago HP made a strategic decision to consolidate its high performance server product line by replacing servers based on PA-RISC and Alpha chips with servers based on Intel's Itanium processor. HP's current plans are to continue selling HP 9000 systems until at least December 2008.
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