StarTech 42U Server Rack armoire baie , 37" Deep EnclosureThis 42U server rack cabinet ships fully assembled with 200 M6 cage nuts and screws to mount equipment immediately. The mounting rails can be adjusted from 3 to 37 in. (76. 2 mm 939. 8 mm) to support full depth equipment and the extra width and depth provides space for additional cable and power management. To keep your rack mounted equipment secure, this rack features front and rear locking mesh doors that also increase airflow to promote passive