It's a no brainer to get a good quality profile and latch for server rack, you often need to make sure that the servers are safe and sound from thieves and people that have no business touching the servers. Such equipment is very expensive after all or at the very least contain important information or host something that needs to stay up. There's a very good chance that if you have servers, you want them to be always online so that data can't be lost and to keep customers, clients, or your workers happy depending on what the purpose of the servers are. There are many uses for servers, but regardless you will need at the very least some basic things to keep them save, such as a latch for server racks and the racks themselves.
Access to those authorized
To make sure that only those authorized get access, profiles, racks and so forth are necessities to ensure that everything will keep going without interruption. Some even pride themselves in making sure that servers always stay up at all time, even going as far as to not updating software if it requires restarting things. With a latch for server racks, a good profile and so forth, they can minimize the chances something unexpected may happen. So when you design and set up a server room, make sure to keep up these basic security measures, to ensure that access is only given to people that are allowed to step inside to work or do maintenance with the servers.