flocon/system/hardware/nvidia.nix

{config, ...}: {
  hardware.graphics.enable = true;
  services.xserver.videoDrivers = ["nvidia"];
  hardware.nvidia = {
    modesetting.enable = true;
    powerManagement.enable = false;
    powerManagement.finegrained = false;
    open = true;
    nvidiaSettings = true;
    package = config.boot.kernelPackages.nvidiaPackages.beta;
  };
}