{ config, lib, pkgs, ... }: {
  nixpkgs.config.allowUnfree = true;
  hardware.graphics.enable = true;
  hardware.nvidia = {
    modesetting.enable = true;
    powerManagement.enable = false;
    powerManagement.finegrained = false;
    open = false; # keep closed for consistency; set true for Turing+ open module if desired
    nvidiaSettings = true;
    package = config.boot.kernelPackages.nvidiaPackages.stable;
  };
  services.xserver.videoDrivers = ["nvidia"];
}