{config, pkgs, ...}:
{

   nixpkgs.config.allowUnfree = true;

   services.xserver.videoDrivers = ["nvidia"];
   hardware.graphics = {
     enable = true;
     enable32Bit = true;
   };

   hardware.nvidia = {
    modesetting.enable = true;

    # Nvidia power management. Experimental, and can cause sleep/suspend to fail.
    # Enable this if you have graphical corruption issues or application crashes after waking
    # up from sleep. This fixes it by saving the entire VRAM memory to /tmp/ instead 
    # of just the bare essentials.
    powerManagement.enable = true;

    # Fine-grained power management. Turns off GPU when not in use.
    # Experimental and only works on modern Nvidia GPUs (Turing or newer).
    # (requires offloading)
    powerManagement.finegrained = false;

    open = false;
    nvidiaSettings = true;
    package = config.boot.kernelPackages.nvidiaPackages.stable;
  };

}