Question : Can a rack server made by one manufacturer be installed in an Enclosure made a different manufacturer?
I am looking at Dell Rack servers but they dont have a small rack enclosure. (I am new to racks)
server rack

Best answer:

Answer by Jeffrey F
Racks are pretty much standard widths unless it was custom ordered. Measure the rack width and depth and find a machine within that size spec.

System height is measured in “U” where a 1U will cover 2 screw holes, 2U will cover 3 screw holes, etc