6b5efb1b_logy___Dictionary___R_for_Raid__term
[abbreviation / acronyms] RMU [definition] A single RMU is 1.75 inches of vertical space in a rack housing. It is typically in the form of a number such as this; 4U, meaning 4 units or RMUs. [term] 
Rack Mount Unit
IT Terminology / Dictionary - R for Raid
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