My first server was called xenon because I misread Xeon for Xenon but I decided to stick with it. My new server is called argon.
For beefy servers I will now go with noble gases. Now that I think about it maybe I will use other elements in the future. Bismut sounds cool.
I have only one cloud VM and called it firstborn. 🤷
All my PCs get names I like Aveline, Elisabeth, Amanda, Eve...
I have yet to decide on a naming scheme for mobile phones.
Networking hardware gets descriptive names for their location and purpose.