Dell XPS 8930 desktop (2020), 512 GB SSD with Windows 10, dual boot with Zorin 17.1 Pro on internal 1TB drive (WD Blue); DellP2222H monitor. A 2TB internal drive for extra backup and storage.
Dell Vostro 410 desktop (2008) running Zorin 16 lite, dual-booted with Windows 7 offline (separate drives).
HP ProBook 640 G2 laptop with Win10 dual-booted with Zorin 17 Core (currently on a 1 terabyte external Toshiba drive, usb connected); mainly used with telescope.
Other assorted heritage computers that run occasionally.