The only real problem I have with Wayland is not being able to find a reliable way to have unattended Remote Desktop in the same session as the local user. I can do most of my remote work over ssh but for some things I prefer a gui.

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I’m not familiar with HP. But with dell optiplex 3xxx, 5xxx, 7xxx tell you the class. Bigger number means more features, more premium build. The second to last digit tells you the generation. It’s 0-9 and then repeats. So 7020 is 1 year newer than 3010. 3040 is going to be the newest.

if you have the service tags just look them up on dell and you can see the detailed specs