This paper is intended to clarify HP local I/O strategy for ProLiant servers. HP server I/O priorities reflect the demands of IT managers. HP supports I/O technologies that protect customer investments and extend I/O performance, flexibility, and reliability. This paper describes today's parallel bus architecture and explains why the industry is beginning a transition to PCI Express. It provides details on PCI Express technology and information to help customers determine which I/O technology to use.
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