How high is the cabinet 18u?
The specified size is the width of the server (48.26cm = 19 inches) with the high (4.445cm multiple). Since the width is 19 inches
The rack has a fixed server screw hole, so that it can be with the server screw on the number, and then fixed with a good screw to facilitate the installation of each server needs space.
The size of the server is specified so that the server is sized to fit in an iron or aluminum frame.
U is a unit that represents the external dimensions of the server and is an acronym for unit, which is determined by the American Electronics Industry Association (EIA) as an industry group.
it is sometimes also possible to meet this requirement for the rack called "19" rack. Thickness to 4.445cm as the basic unit, 1U is 4.445cm.
