My laptop is a cast off from a member of my staff who said it was too slow - a (dmidecode) - Product Name: HP 255 G6 Notebook PC. It now runs Arch (actually).
It previously slogged along with Win 10, Outlook n O365 n that. Now it does Libre Office, Evolution and much more. I use KDE, which isn’t known for a light touch on the resources. I also do light CAD and other stuff.
My office desktop is even older - it was a customer cast off, due to be skipped around six years ago. I did slap a SSD into it and I think I upped the RAM to 8GB. Its a (ssh, dmidecode): Product Name: Lenovo H330 and the BIOS is dated from 2012! I run two 23" screens off it and again, it runs Arch (actually) and KDE for pretty stuff. I run containers on it - at the moment a test Vikunja instance. I have apache, nginx and caddy fronting various experiments backed up with postgres and mariadb.
Both devices are “domain joined” and I auth to Exchange via Kerberos, via Samba winbind. File access (drive letters for the Windows mindset) is currently via autofs. I have a project on at a member of staff’s request to switch from Windows to Linux. I’m going to take my time and get it right. My current thinking is the Fedora KDE spin and this: Closed In Directory