diff --git a/README.md b/README.md
index 878cc5e..26cfc2d 100644
--- a/README.md
+++ b/README.md
@@ -87,6 +87,7 @@ See code for all available configurations.
 | [Dell XPS 13 9380][]              | `<nixos-hardware/dell/xps/13-9380>`                |
 | [Dell XPS 15 7590][]              | `<nixos-hardware/dell/xps/15-7590>`                |
 | [Dell XPS 15 9550][]              | `<nixos-hardware/dell/xps/15-9550>`                |
+| [Dell XPS 15 9550, nvidia][]      | `<nixos-hardware/dell/xps/15-9550/nvidia>`         |
 | [Dell XPS 15 9560][]              | `<nixos-hardware/dell/xps/15-9560>`                |
 | [Dell XPS 15 9560, intel only][]  | `<nixos-hardware/dell/xps/15-9560/intel>`          |
 | [Dell XPS 15 9560, nvidia only][] | `<nixos-hardware/dell/xps/15-9560/nvidia>`         |
diff --git a/dell/xps/15-9550/README.wiki b/dell/xps/15-9550/README.wiki
index c0e9158..93d33ab 100644
--- a/dell/xps/15-9550/README.wiki
+++ b/dell/xps/15-9550/README.wiki
@@ -5,12 +5,19 @@ Most of this I presume also applies to the XPS 13 1530, the 13" variant.
 == Tested Hardware ==
 
 * CPU: Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz
-* RAM: 16 GB
+* RAM: 32 GB
 * HDD: 512 GiB SSD
 * Screen: 15" 4k (3840✕2160)
 * Graphics: NVIDIA Corporation GM107M, with Intel Graphics too.
 * Input: Touchscreen and trackpad.
 
+== NVIDIA Offload ==
+
+In order to run a program on the NVIDIA gpu, you can use the `nvidia-offload` function, for example:
+```
+nvidia-offload `nix-shell -p glxinfo --run 'glxgears'`
+```
+This is a short bash script that sets the proper environment variables and calls your command.
 
 == Firmware Configuration ==
 
diff --git a/dell/xps/15-9550/nvidia/default.nix b/dell/xps/15-9550/nvidia/default.nix
new file mode 100644
index 0000000..451b6eb
--- /dev/null
+++ b/dell/xps/15-9550/nvidia/default.nix
@@ -0,0 +1,15 @@
+{ lib, pkgs, ... }:
+{
+  imports = [
+    ../default.nix
+    ../../../../common/gpu/nvidia.nix
+  ];
+
+  hardware.nvidia.prime = {
+    # Bus ID of the Intel GPU.
+    intelBusId = lib.mkDefault "PCI:0:2:0";
+
+    # Bus ID of the NVIDIA GPU.
+    nvidiaBusId = lib.mkDefault "PCI:1:0:0";
+  };
+}
diff --git a/flake.nix b/flake.nix
index 4808484..f0d24bf 100644
--- a/flake.nix
+++ b/flake.nix
@@ -22,6 +22,7 @@
       dell-xps-13-9380 = import ./dell/xps/13-9380;
       dell-xps-15-7590 = import ./dell/xps/15-7590;
       dell-xps-15-9550 = import ./dell/xps/15-9550;
+      dell-xps-15-9550-nvidia = import ./dell/xps/15-9550/nvidia;
       dell-xps-15-9560 = import ./dell/xps/15-9560;
       dell-xps-15-9560-intel = import ./dell/xps/15-9560/intel;
       dell-xps-15-9560-nvidia = import ./dell/xps/15-9560/nvidia;