nixos/system/hardware.nix

{ config, pkgs, ... }:
{

  hardware = {
    enableRedistributableFirmware = true;
    cpu.intel.updateMicrocode = true;
    graphics = {
      enable = true;
      enable32Bit = true;

    };
    nvidia = {
      modesetting.enable = true;
      powerManagement.enable = false;
      powerManagement.finegrained = false;
      open = true;
      nvidiaSettings = true;
      package = config.boot.kernelPackages.nvidiaPackages.beta;
    };
  };
}