I go for the unoriginal but oh so simple: location-type-No
So HL-SRV-01 is “homelab server no 1”
HS-DSK-02 is “House desktop no2”
NA-LPT-01 is “Not Applicable” because this is my admin laptop that I expect to move around a lot so I always treat it as high-risk.
If you ever find the maple syrup in a tin can, that’s the real stuff.