diff --git a/README.md b/README.md
index 2124300..12a25e0 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ There is also experimental flake support. In your `/etc/nixos/flake.nix` add the
       # ...
       modules = [
         # ...
-        # add your model from this list: https://github.com/NixOS/nixos-hardware/blob/flakes/flake.nix
+        # add your model from this list: https://github.com/NixOS/nixos-hardware/blob/master/flake.nix
         nixos-hardware.nixosModules.dell-xps-13-9380
       ];
     };
@@ -53,12 +53,12 @@ There is also experimental flake support. In your `/etc/nixos/flake.nix` add the
 You can fetch the git repository directly:
 
 ```nix
-imports = [ 
+imports = [
   "${builtins.fetchGit { url = "https://github.com/NixOS/nixos-hardware.git"; }}/lenovo/thinkpad/x220"
 ];
 ```
 
-Unlike the channel, this will update the git repository on a rebuild. However, 
+Unlike the channel, this will update the git repository on a rebuild. However,
 you can easily pin to a particular revision if you desire more stability.
 
 ## List of Profiles
@@ -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>`         |
@@ -116,6 +117,7 @@ See code for all available configurations.
 | Lenovo ThinkPad T480s             | `<nixos-hardware/lenovo/thinkpad/t480s>`           |
 | Lenovo ThinkPad T490              | `<nixos-hardware/lenovo/thinkpad/t490>`            |
 | Lenovo ThinkPad T495              | `<nixos-hardware/lenovo/thinkpad/t495>`            |
+| Lenovo ThinkPad X113 Yoga         | `<nixos-hardware/lenovo/thinkpad/x13-yoga>`        |
 | Lenovo ThinkPad X140e             | `<nixos-hardware/lenovo/thinkpad/x140e>`           |
 | Lenovo ThinkPad X220              | `<nixos-hardware/lenovo/thinkpad/x220>`            |
 | Lenovo ThinkPad X230              | `<nixos-hardware/lenovo/thinkpad/x230>`            |
@@ -156,6 +158,7 @@ See code for all available configurations.
 [Inverse Path USB armory]: inversepath/usbarmory
 [Lenovo ThinkPad X1 (6th Gen)]: lenovo/thinkpad/x1/6th-gen
 [Lenovo ThinkPad X1 (7th Gen)]: lenovo/thinkpad/x1/7th-gen
+[Lenovo ThinkPad X13 Yoga]: lenovo/thinkpad/x13-yoga
 [Lenovo ThinkPad X260]: lenovo/thinkpad/x260
 [Microsoft Surface Pro 3]: microsoft/surface-pro/3
 [Raspberry Pi 2]: raspberry-pi/2
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 91bed29..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;
@@ -61,6 +62,7 @@
       lenovo-thinkpad-x1-6th-gen = import ./lenovo/thinkpad/x1/6th-gen;
       lenovo-thinkpad-x1-7th-gen = import ./lenovo/thinkpad/x1/7th-gen;
       lenovo-thinkpad-x1-extreme = import ./lenovo/thinkpad/x1-extreme;
+      lenovo-thinkpad-x13-yoga = import ./lenovo/thinkpad/x13-yoga;
       microsoft-surface = import ./microsoft/surface;
       microsoft-surface-pro-3 = import ./microsoft/surface-pro/3;
       pcengines-apu = import ./pcengines/apu;
diff --git a/lenovo/thinkpad/x13-yoga/default.nix b/lenovo/thinkpad/x13-yoga/default.nix
new file mode 100644
index 0000000..2653910
--- /dev/null
+++ b/lenovo/thinkpad/x13-yoga/default.nix
@@ -0,0 +1,13 @@
+{ config, lib, ... }: {
+  imports = [
+    ../.
+    ../../../common/cpu/intel
+    ../../../common/pc/laptop/acpi_call.nix
+    ../../../common/pc/laptop/ssd
+  ];
+
+  # automatic screen orientation
+  hardware.sensor.iio.enable = true;
+
+  services.xserver.wacom.enable = lib.mkDefault config.services.xserver.enable;
+}