diff --git a/README.md b/README.md
index 9503c1e..f073dd8 100644
--- a/README.md
+++ b/README.md
@@ -76,6 +76,7 @@ See code for all available configurations.
 | [Apple MacBook Pro 12,1](apple/macbook-pro/12-1)                    | `<nixos-hardware/apple/macbook-pro/12-1>`          |
 | [Asus ROG Strix G733QS](asus/rog-strix/g733qs)                      | `<nixos-hardware/asus/rog-strix/g733qs>`           |
 | [Asus ROG Zephyrus G14 GA401](asus/zephyrus/ga401)                  | `<nixos-hardware/asus/zephyrus/ga401>`             |
+| [Asus ROG Zephyrus G15 GA503](asus/zephyrus/ga503)                  | `<nixos-hardware/asus/zephyrus/ga503>`             |
 | [Asus TUF FX504GD](asus/fx504gd)                                    | `<nixos-hardware/asus/fx504gd>`                    |
 | [BeagleBoard PocketBeagle](beagleboard/pocketbeagle)                | `<nixos-hardware/beagleboard/pocketbeagle>`        |
 | [Dell G3 3779](dell/g3/3779)                                        | `<nixos-hardware/dell/g3/3779>`                    |
diff --git a/asus/zephyrus/ga503/default.nix b/asus/zephyrus/ga503/default.nix
new file mode 100644
index 0000000..de282a1
--- /dev/null
+++ b/asus/zephyrus/ga503/default.nix
@@ -0,0 +1,15 @@
+{ ... }:
+
+{
+  imports = [
+    ../../../common/cpu/amd
+    ../../../common/gpu/nvidia.nix
+    ../../../common/pc/laptop
+    ../../../common/pc/ssd
+  ];
+
+  hardware.nvidia.prime = {
+    amdgpuBusId = "PCI:7:0:0";
+    nvidiaBusId = "PCI:1:0:0";
+  };
+}
diff --git a/flake.nix b/flake.nix
index a6b05aa..bee3871 100644
--- a/flake.nix
+++ b/flake.nix
@@ -15,6 +15,7 @@
       asus-fx504gd = import ./asus/fx504gd;
       asus-rog-strix-g733qs = import ./asus/rog-strix/g733qs;
       asus-zephyrus-ga401 = import ./asus/zephyrus/ga401;
+      asus-zephyrus-ga503 = import ./asus/zephyrus/ga503;
       beagleboard-pocketbeagle = import ./beagleboard/pocketbeagle;
       dell-e7240 = import ./dell/e7240;
       dell-g3-3779 = import ./dell/g3/3779;