Server rack height is one of the more popular ways to classify a rack. People often label their rack by its specific height, such as “42U server racks” or, much more informal, “7-foot racks. How to Choose a 42U Server Rack Cabinet for Your Data Center or Server Room Quick Specs – 42U Server Rack Cabinet Overview A fully loaded 42U server rack cabinet has the capacity for over 3000 lbs of networking equipment, averages 5. 7 kW per rail of power while fitting into a modest 78 inch tall. One U equals exactly 1. 45 millimeters, if you prefer metric). This standard was created by the Electronic Industries Alliance, or EIA. A server made by one company fits perfectly in a cabinet made by. How tall is a 42U server cabinet? Full-size floor-standing cabinet dimensions with 600/800/1000 mm depth options and data center usage guide. Search results show users compare dozens. We explain what 1U, 2U, 18U, 42U, and other configurations mean, discussing precis Decoding Rack Units: Your Essential Guide to Understanding 1U, 2U, and Beyond 1U, 2U,. 18U, 42U: What Do They Mean? This comprehensive blog post demystifies the "U" unit in network server accessories—the standard. Height is measured in rack units (U). A common size is 42U, which means it can hold 42 units of equipment. This is called the EIA-310 standard.