diff --git a/hosts/fallarbor/hardware.nix b/hosts/fallarbor/hardware.nix
index 4bbdc412..68c29e8f 100644
--- a/hosts/fallarbor/hardware.nix
+++ b/hosts/fallarbor/hardware.nix
@@ -1,9 +1,9 @@
 {
   config,
-  lib,
-  pkgs,
-  modulesPath,
   inputs,
+  lib,
+  modulesPath,
+  pkgs,
   ...
 }: {
   imports = [
@@ -11,41 +11,50 @@
     inputs.nixos-hardware.nixosModules.framework-11th-gen-intel
   ];
 
-  boot.initrd.availableKernelModules = ["xhci_pci" "thunderbolt" "nvme" "usb_storage" "sd_mod"];
-  boot.initrd.kernelModules = [];
-  boot.kernelModules = ["kvm-intel"];
-  boot.extraModulePackages = [];
+  boot = {
+    initrd = {
+      availableKernelModules = ["xhci_pci" "thunderbolt" "nvme" "usb_storage" "sd_mod"];
+      kernelModules = [];
+    };
 
-  # Intel drivers with accelerated video playback support.
-  nixpkgs.config.packageOverrides = pkgs: {
-    intel-vaapi-driver =
-      pkgs.intel-vaapi-driver.override {enableHybridCodec = true;};
+    extraModulePackages = [];
+    kernelModules = ["kvm-intel"];
   };
 
-  hardware.opengl = {
-    enable = true;
-    extraPackages = with pkgs; [
-      intel-media-driver # LIBVA_DRIVER_NAME=iHD
-      intel-vaapi-driver # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
-      libvdpau-va-gl
-    ];
+  # Intel drivers with accelerated video playback support.
+  nixpkgs = {
+    config.packageOverrides = pkgs: {
+      intel-vaapi-driver =
+        pkgs.intel-vaapi-driver.override {enableHybridCodec = true;};
+    };
+
+    hostPlatform = lib.mkDefault "x86_64-linux";
+  };
+
+  hardware = {
+    cpu.intel.updateMicrocode =
+      lib.mkDefault config.hardware.enableRedistributableFirmware;
+
+    enableAllFirmware = true;
+
+    opengl = {
+      enable = true;
+
+      extraPackages = with pkgs; [
+        intel-media-driver # LIBVA_DRIVER_NAME=iHD
+        intel-vaapi-driver # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
+        libvdpau-va-gl
+      ];
+    };
   };
 
   environment.sessionVariables = {
-    LIBVA_DRIVER_NAME = "iHD";
-  }; # Force intel-media-driver
+    LIBVA_DRIVER_NAME = "iHD"; # Force intel-media-driver
+  };
 
   # Save power/better manage heat & fans.
   powerManagement.powertop.enable = true;
   services.thermald.enable = true;
 
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
   networking.useDHCP = lib.mkDefault true;
-
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-  hardware.cpu.intel.updateMicrocode =
-    lib.mkDefault config.hardware.enableRedistributableFirmware;
 }
diff --git a/hosts/lavaridge/hardware.nix b/hosts/lavaridge/hardware.nix
index 67f7c097..54ebd559 100644
--- a/hosts/lavaridge/hardware.nix
+++ b/hosts/lavaridge/hardware.nix
@@ -3,10 +3,10 @@
 # to /etc/nixos/configuration.nix instead.
 {
   config,
-  lib,
-  pkgs,
-  modulesPath,
   inputs,
+  lib,
+  modulesPath,
+  pkgs,
   ...
 }: {
   imports = [
@@ -14,33 +14,36 @@
     inputs.nixos-hardware.nixosModules.framework-13-7040-amd
   ];
 
-  boot.initrd.availableKernelModules = ["nvme" "xhci_pci" "thunderbolt" "usb_storage" "sd_mod"];
-  boot.initrd.kernelModules = [];
-  boot.kernelModules = ["kvm-amd" "amd-gpu"];
-  boot.kernelParams = ["amdgpu.abmlevel=0"];
-  boot.extraModulePackages = [];
+  boot = {
+    initrd = {
+      availableKernelModules = ["nvme" "xhci_pci" "thunderbolt" "usb_storage" "sd_mod"];
+      kernelModules = [];
+    };
 
-  hardware.opengl = {
-    ## radv: an open-source Vulkan driver from freedesktop
-    driSupport = true;
-    driSupport32Bit = true;
+    extraModulePackages = [];
+    kernelModules = ["kvm-amd" "amd-gpu"];
+    kernelParams = ["amdgpu.abmlevel=0"];
+  };
 
-    ## amdvlk: an open-source Vulkan driver from AMD
-    extraPackages = [pkgs.rocmPackages.clr.icd pkgs.amdvlk];
-    extraPackages32 = [pkgs.driversi686Linux.amdvlk];
+  hardware = {
+    cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+
+    enableAllFirmware = true;
+
+    opengl = {
+      ## radv: an open-source Vulkan driver from freedesktop
+      driSupport = true;
+      driSupport32Bit = true;
+
+      ## amdvlk: an open-source Vulkan driver from AMD
+      extraPackages = [pkgs.rocmPackages.clr.icd pkgs.amdvlk];
+      extraPackages32 = [pkgs.driversi686Linux.amdvlk];
+    };
   };
 
   services.xserver.videoDrivers = ["amdgpu"];
 
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
   networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.enp193s0f3u1c2.useDHCP = lib.mkDefault true;
-  # networking.interfaces.wlp1s0.useDHCP = lib.mkDefault true;
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-  hardware.cpu.amd.updateMicrocode =
-    lib.mkDefault config.hardware.enableRedistributableFirmware;
 }
diff --git a/hosts/mandarin/hardware.nix b/hosts/mandarin/hardware.nix
index f2b6b610..76996589 100644
--- a/hosts/mandarin/hardware.nix
+++ b/hosts/mandarin/hardware.nix
@@ -30,16 +30,21 @@
   hardware = {
     cpu.amd.updateMicrocode =
       lib.mkDefault config.hardware.enableRedistributableFirmware;
+
+    enableAllFirmware = true;
+
     nvidia = {
       modesetting.enable = true;
       nvidiaSettings = true;
       package = config.boot.kernelPackages.nvidiaPackages.stable;
     };
+
     opengl = {
       driSupport = true;
       driSupport32Bit = true;
     };
   };
+
   services.xserver.videoDrivers = ["nvidia"];
 
   networking.useDHCP = lib.mkDefault true;
diff --git a/hosts/mauville/hardware.nix b/hosts/mauville/hardware.nix
index d1d5ccff..87b92e41 100644
--- a/hosts/mauville/hardware.nix
+++ b/hosts/mauville/hardware.nix
@@ -1,9 +1,9 @@
 {
   config,
-  lib,
-  pkgs,
-  modulesPath,
   inputs,
+  lib,
+  modulesPath,
+  pkgs,
   ...
 }: {
   imports = [
@@ -12,43 +12,55 @@
     inputs.nixos-hardware.nixosModules.common-pc-ssd
   ];
 
-  boot.initrd.availableKernelModules = ["xhci_pci" "ahci" "nvme" "usbhid" "sd_mod"];
-  boot.initrd.kernelModules = [];
-  boot.kernelModules = ["kvm-amd" "amdgpu"];
-  boot.extraModulePackages = [];
+  boot = {
+    initrd = {
+      availableKernelModules = ["xhci_pci" "ahci" "nvme" "usbhid" "sd_mod"];
+      kernelModules = [];
+    };
+
+    kernelModules = ["kvm-amd" "amdgpu"];
+  };
 
   services.xserver = {
-    # Add AMDGPU driver.
-    videoDrivers = ["amdgpu"];
+    videoDrivers = ["amdgpu"]; # Add AMDGPU driver.
   };
 
-  hardware.opengl = {
-    enable = true;
-    # Add ROCM annd AMD Vulkan driver.
-    extraPackages = with pkgs; [rocmPackages.clr.icd amdvlk];
-    # Add support for 32bit apps.
-    driSupport32Bit = true;
-    extraPackages32 = with pkgs; [driversi686Linux.amdvlk];
+  hardware = {
+    cpu.amd.updateMicrocode =
+      lib.mkDefault config.hardware.enableRedistributableFirmware;
+
+    enableAllFirmware = true;
+
+    opengl = {
+      enable = true;
+      driSupport = true;
+      driSupport32Bit = true;
+
+      extraPackages = with pkgs; [rocmPackages.clr.icd amdvlk];
+      extraPackages32 = with pkgs; [driversi686Linux.amdvlk];
+    };
   };
 
-  fileSystems."/" = {
-    device = "/dev/disk/by-uuid/c4217c88-3101-434b-8321-58e2ac89527c";
-    fsType = "ext4";
-  };
+  fileSystems = {
+    "/" = {
+      device = "/dev/disk/by-uuid/c4217c88-3101-434b-8321-58e2ac89527c";
+      fsType = "ext4";
+    };
 
-  fileSystems."/boot" = {
-    device = "/dev/disk/by-uuid/3445-B2A0";
-    fsType = "vfat";
-  };
+    "/boot" = {
+      device = "/dev/disk/by-uuid/3445-B2A0";
+      fsType = "vfat";
+    };
 
-  fileSystems."/mnt/Archive" = {
-    device = "/dev/disk/by-uuid/f7e9e6d6-2bf6-429a-aaf0-49b55d53fc83";
-    fsType = "ext4";
-  };
+    "/mnt/Archive" = {
+      device = "/dev/disk/by-uuid/f7e9e6d6-2bf6-429a-aaf0-49b55d53fc83";
+      fsType = "ext4";
+    };
 
-  fileSystems."/mnt/Media" = {
-    device = "/dev/disk/by-uuid/d988d5ca-f9d6-4d85-aa0e-8a437b3c859a";
-    fsType = "ext4";
+    "/mnt/Media" = {
+      device = "/dev/disk/by-uuid/d988d5ca-f9d6-4d85-aa0e-8a437b3c859a";
+      fsType = "ext4";
+    };
   };
 
   swapDevices = [
@@ -58,14 +70,7 @@
     }
   ];
 
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
   networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.enp4s0.useDHCP = lib.mkDefault true;
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-  hardware.cpu.amd.updateMicrocode =
-    lib.mkDefault config.hardware.enableRedistributableFirmware;
 }
diff --git a/hosts/petalburg/hardware.nix b/hosts/petalburg/hardware.nix
index c556fce6..1949b962 100644
--- a/hosts/petalburg/hardware.nix
+++ b/hosts/petalburg/hardware.nix
@@ -1,9 +1,9 @@
 {
   config,
-  lib,
-  pkgs,
-  modulesPath,
   inputs,
+  lib,
+  modulesPath,
+  pkgs,
   ...
 }: {
   imports = [
@@ -12,45 +12,52 @@
     inputs.nixos-hardware.nixosModules.common-pc-laptop-ssd
   ];
 
-  boot.initrd.availableKernelModules = ["xhci_pci" "thunderbolt" "nvme" "usb_storage" "sd_mod"];
-  boot.initrd.kernelModules = [];
-  boot.kernelModules = ["kvm-intel"];
-  boot.extraModulePackages = [];
+  boot = {
+    initrd = {
+      availableKernelModules = ["xhci_pci" "thunderbolt" "nvme" "usb_storage" "sd_mod"];
+      kernelModules = [];
+    };
 
-  # Intel drivers with accelerated video playback support.
-  nixpkgs.config.packageOverrides = pkgs: {
-    intel-vaapi-driver =
-      pkgs.intel-vaapi-driver.override {enableHybridCodec = true;};
+    extraModulePackages = [];
+    kernelModules = ["kvm-intel"];
   };
 
-  hardware.opengl = {
-    enable = true;
-    extraPackages = with pkgs; [
-      intel-media-driver # LIBVA_DRIVER_NAME=iHD
-      intel-vaapi-driver # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
-      libvdpau-va-gl
-    ];
+  # Intel drivers with accelerated video playback support.
+  nixpkgs = {
+    config.packageOverrides = pkgs: {
+      intel-vaapi-driver =
+        pkgs.intel-vaapi-driver.override {enableHybridCodec = true;};
+    };
+
+    hostPlatform = lib.mkDefault "x86_64-linux";
+  };
+
+  hardware = {
+    cpu.intel.updateMicrocode =
+      lib.mkDefault config.hardware.enableRedistributableFirmware;
+
+    enableAllFirmware = true;
+
+    opengl = {
+      enable = true;
+
+      extraPackages = with pkgs; [
+        intel-media-driver # LIBVA_DRIVER_NAME=iHD
+        intel-vaapi-driver # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
+        libvdpau-va-gl
+      ];
+    };
+
+    sensor.iio.enable = true; # Enable auto-rotate and tablet mode.
   };
 
   environment.sessionVariables = {
-    LIBVA_DRIVER_NAME = "iHD";
-  }; # Force intel-media-driver
-
-  # Enable auto-rotate and tablet mode.
-  hardware.sensor.iio.enable = true;
+    LIBVA_DRIVER_NAME = "iHD"; # Force intel-media-driver
+  };
 
   # Save power/better manage heat & fans.
   powerManagement.powertop.enable = true;
   services.thermald.enable = true;
 
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
   networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.wlp0s20f3.useDHCP = lib.mkDefault true;
-
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-  hardware.cpu.intel.updateMicrocode =
-    lib.mkDefault config.hardware.enableRedistributableFirmware;
 }
diff --git a/hosts/rustboro/hardware.nix b/hosts/rustboro/hardware.nix
index c1116f5e..6fff79f1 100644
--- a/hosts/rustboro/hardware.nix
+++ b/hosts/rustboro/hardware.nix
@@ -1,9 +1,9 @@
 {
   config,
-  lib,
-  pkgs,
-  modulesPath,
   inputs,
+  lib,
+  modulesPath,
+  pkgs,
   ...
 }: {
   imports = [
@@ -12,46 +12,56 @@
     inputs.nixos-hardware.nixosModules.lenovo-thinkpad-t440p
   ];
 
-  boot.initrd.availableKernelModules = [
-    "xhci_pci"
-    "ehci_pci"
-    "ahci"
-    "usb_storage"
-    "sd_mod"
-    "sr_mod"
-    "rtsx_pci_sdmmc"
-  ];
-  boot.initrd.kernelModules = [];
-  boot.kernelModules = ["kvm-intel"];
-  boot.extraModulePackages = [];
+  boot = {
+    initrd = {
+      availableKernelModules = [
+        "xhci_pci"
+        "ehci_pci"
+        "ahci"
+        "usb_storage"
+        "sd_mod"
+        "sr_mod"
+        "rtsx_pci_sdmmc"
+      ];
+      kernelModules = [];
+    };
 
-  fileSystems."/persist" = {neededForBoot = true;};
+    extraModulePackages = [];
+    kernelModules = ["kvm-intel"];
+  };
 
   # Otherwise, CPU doesn't automatically clock down.
   powerManagement.cpuFreqGovernor = "ondemand";
 
-  # Intel drivers with accelerated video playback support.
-  nixpkgs.config.packageOverrides = pkgs: {
-    intel-vaapi-driver =
-      pkgs.intel-vaapi-driver.override {enableHybridCodec = true;};
-  };
+  nixpkgs = {
+    config.packageOverrides = pkgs: {
+      # Intel drivers with accelerated video playback support.
+      intel-vaapi-driver =
+        pkgs.intel-vaapi-driver.override {enableHybridCodec = true;};
+    };
 
-  hardware.opengl = {
-    enable = true;
-    extraPackages = with pkgs; [
-      intel-media-driver # LIBVA_DRIVER_NAME=iHD
-      intel-vaapi-driver # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
-      libvdpau-va-gl
-    ];
+    hostPlatform = lib.mkDefault "x86_64-linux";
+  };
+  hardware = {
+    cpu.intel.updateMicrocode =
+      lib.mkDefault config.hardware.enableRedistributableFirmware;
+
+    enableAllFirmware = true;
+
+    opengl = {
+      enable = true;
+
+      extraPackages = with pkgs; [
+        intel-media-driver # LIBVA_DRIVER_NAME=iHD
+        intel-vaapi-driver # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
+        libvdpau-va-gl
+      ];
+    };
   };
 
   environment.sessionVariables = {
-    LIBVA_DRIVER_NAME = "iHD";
-  }; # Force intel-media-driver
+    LIBVA_DRIVER_NAME = "iHD"; # Force intel-media-driver
+  };
 
   networking.useDHCP = lib.mkDefault true;
-
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-  hardware.cpu.intel.updateMicrocode =
-    lib.mkDefault config.hardware.enableRedistributableFirmware;
 }