What does RU mean in Hardware?
This page is about the meanings of the acronym/abbreviation/shorthand RU in the Computing field in general and in the Hardware terminology in particular.
A rack unit (RU) is a unit of measure used to describe the height of equipment intended for mounting in a 19-inch rack or a 23-inch rack. One rack unit is 1.75 inches (44.45 mm) high.
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What does RU mean?