P - Definitions

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  • P

    parallel processing

    Parallel processing is a method in computing of running two or more processors (CPUs) to handle separate parts of an overall task.

  • Peripheral Component Interconnect Express (PCIe, PCI-E)

    PCIe is a high-speed serial interconnection standard for connecting peripheral devices to a computer's motherboard.

  • pizza box server

    The term 'pizza box server' refers to the shape of a computer server enclosed in a rectangular and horizontally- arranged chassis and often installed in a rack with similar servers.

  • plenum

    In buildings, a plenum is a separate space provided for air circulation for heating, ventilation, and air-conditioning (sometimes referred to as HVAC) and typically provided in the space between the structural ceiling and a drop-down ceiling.

  • power cycling

    Power cycling is the process of turning hardware off and then turning it on again. In the data center, technicians use power cycling to test the durability and reliability of network components.

  • power distribution unit (PDU)

    A power distribution unit (PDU) is a device for controlling electrical power in a data center.

  • power usage effectiveness (PUE)

    Power usage effectiveness (PUE) is a metric used to determine the energy efficiency of a data center.

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