Probably want M.2 NVMe form factor SSD. (Not one that uses the old SATA bus.)
Consider buying Windows 10 from Kinguin or carrying over a key.
My older computer is a Lenovo IdeaCentre K330.
Start with The Magnificent AMD Gaming/Streaming Build. Tracking my build at this Customized Magnificent AMD 8-core Build.
To getWSL 2 to work, I had to go into Bios (Del key during boot? I forgot) and enable Virtualization. For me, it was Tweaker → SVM Mode.
To configure the fans' rates, run GIGABYTE → Launch APP Center → SIV (System Information Viewer)
I force the CPU fan to remain at one constant rate until it gets too hot.
All the other fans I have on a curve.
G403 Hero or G502 Hero:
Check that the video card supports the resolution of the monitor I have. Check which video connections it has.
NVIDIA GeForce RTX 2080 SUPER