I've had no issues with vibration... Being rack-mounted, in my opinion, actually protects a computer better, and it's certainly less susceptible to theft.
When at home, my DJ computers connect to my home network, so copying music or other documents to them is simple and easy.
I thought about losing power to them with no batteries like a laptop would have, but if I lose power, my controller, speakers, and pretty much everything else I use have no battery power either. Having SSD system drives means my computers are up in seconds when the power is restored.
I have one rack-mounted keyboard in my rack to use when booting my video computer, but once up, the wireless keyboard and mouse I use with my music PC controls both computers. I do have to carry an extra USB keyboard and mouse for backups, but I really hate laptop keyboards and mouse pads, which is probably the main reason I went the rack-mounted computer route to begin with. [emoji4]
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