NixOS is pretty niche and getting nVidia to work properly on it is a PITA. I would recommend using CachyOS instead (since you sound like an advanced user), it h

NixOS is pretty niche and getting nVidia to work properly on it is a PITA. I would recommend using CachyOS instead (since you sound like an advanced user), it has excellent nVidia support - you don't need to do anything special to get it going.