What size is a 2u rack? For electronic equipment racks (e.g., 19 or 23 inches wide), the term 1U is used to define one rack unit of height. To be precise, 1U equals 1.75-inches (44.45mm) of rack height. Therefore, a 2U rack mount height would be 2 x 1.75”, which equals 3.5-inches high. A 3U height would be 3 x 1.75” = 5.25-inches.
What is 4U size? Rack Height
A 4U rack or cabinet can house equipment whose total height when placed into the rack is no more 7inches or 17.78cm (1.78m) with 1U=1.75inches or 44.45mm.
What is the difference between 2u and 4U? The primary difference between 2u vs 4u servers is one of density or expandability. 2u models are smaller and designed with superior performance density in mind, which is why they are typically installed in datacenters and for enterprise applications.
How big is 6U rack?
|Unit||Dimension (W x H x D)|
|4U||19″ x 7″ x 17.8″ 19″ x 7″ x 26.4″|
|5U||19″ x 8.34″ x 19.67″ 19.1″ x 8.75″ x 26.4″|
|6U||19″ x 10.5″ x 19.5″|
|7U||17″ x 12.2″ x 19.8″|