diff --git a/hosts/marr/configuration.nix b/hosts/marr/configuration.nix
index 7221f69..fe3719e 100644
--- a/hosts/marr/configuration.nix
+++ b/hosts/marr/configuration.nix
@@ -14,6 +14,11 @@
     ./home.nix
   ];
 
+  device.type = {
+    graphical.enable = true;
+    workstation.enable = true;
+    gaming.enable = true;
+  };
   # Bootloader.
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
diff --git a/options/default.nix b/options/default.nix
index 2152cb8..a950c92 100644
--- a/options/default.nix
+++ b/options/default.nix
@@ -1,7 +1,33 @@
-{ lib, ... }:
+{ lib, config, ... }:
 {
-  options.custom.pubKey = lib.mkOption {
-    type = lib.types.str;
-    default = "";
+  options = {
+    device = {
+      type = {
+        gaming.enable = lib.mkOption {
+          type = lib.types.bool;
+          default = false;
+        };
+
+        graphical.enable = lib.mkOption {
+          type = lib.types.bool;
+          default = false;
+        };
+
+        workstation.enable = lib.mkOption {
+          type = lib.types.bool;
+          default = false;
+        };
+
+        server.enable = lib.mkOption {
+          type = lib.types.bool;
+          default = false;
+        };
+
+        vm.enable = lib.mkOption {
+          type = lib.types.bool;
+          default = false;
+        };
+      };
+    };
   };
 }