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  2. 19-inch rack - Wikipedia

    en.wikipedia.org/wiki/19-inch_rack

    Thus, a 1U rackmount computer is not 1.750 inches (44.5 mm) tall but is 1.719 inches (43.7 mm) tall. If n is number of rack units, the ideal formula for panel height is h = 1.75n − 0.031 for calculating in inches, and h = 44.45n − 0.794 for calculating in millimeters. This gap allows a bit of room above and below an installed piece of ...

  3. Rack unit - Wikipedia

    en.wikipedia.org/wiki/Rack_unit

    Rack with sample component sizes including an A/V half-rack unit. A rack unit (abbreviated U or RU) is a unit of measure defined as 1 + 3 ⁄ 4 inches (44.45 mm). [1] [2] It is most frequently used as a measurement of the overall height of 19-inch and 23-inch rack frames, as well as the height of equipment that mounts in these frames, whereby the height of the frame or equipment is expressed ...

  4. List of PowerEdge servers - Wikipedia

    en.wikipedia.org/wiki/List_of_PowerEdge_servers

    In form-factor there are two models: half-height and full-height. In an enclosure you can fit 8 full or 16 half-height blades (or a mix). Each server has two or four on-board NIC's and two additional Mezzanine card -slots for additional I/O options: 1 Gb or 10 Gb Ethernet cards, Fibre Channel HBA 's or InfiniBand slots.

  5. Template:Height/doc - Wikipedia

    en.wikipedia.org/wiki/Template:Height/doc

    The template is intended for conversion of heights specified in either metres or in feet and inches. Template parameters Parameter Description Type Status Metres m metre metres meter meters The height in metres. Do not use if feet and inches are specified. Number optional Centimetres cm centimetre centimetres centimeter centimeters The height in centimetres. Do not use if feet and inches are ...

  6. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    However, the two most common forms are tower and rack-mount. [12] Tower models stand upright on the ground or on a desk or shelf, and are typically used in network workstations or desktop computer applications. Rack-mount models can be mounted in standard 19-inch rack enclosures and can require anywhere from 1U to 12U . They are typically used ...

  7. Open Rack - Wikipedia

    en.wikipedia.org/wiki/Open_Rack

    Open Rack is an Open Compute Project standard [1] for a new rack and power delivery architecture and an efficient, scalable alternative to the EIA-310 19-inch rack. It differs from the traditional EIA-310 rack in that it was designed specifically for large-scale cloud deployments. There are four key features that make this rack design more ...

  8. Template:Infobox person/height - Wikipedia

    en.wikipedia.org/wiki/Template:Infobox_person/height

    This template is used on approximately 107,000 pages. To avoid major disruption and server load, ... output of height template: 157 centimetres ...

  9. List of gear nomenclature - Wikipedia

    en.wikipedia.org/wiki/List_of_gear_nomenclature

    The addendum is the height by which a tooth of a gear projects beyond (outside for external, or inside for internal) the standard pitch circle or pitch line; also, the radial distance between the pitch diameter and the outside diameter. [1]