diff --git a/machines/hephaestus/configuration.nix b/machines/hephaestus/configuration.nix
index 2233c50..dc7e1b5 100644
--- a/machines/hephaestus/configuration.nix
+++ b/machines/hephaestus/configuration.nix
@@ -118,7 +118,9 @@ in
     };
   };
 
-  systemd.services.NetworkManager-wait-online.enable = false;
+  systemd.services = {
+    NetworkManager-wait-online.enable = false;
+  };
 
   system = {
     autoUpgrade.enable = true;
@@ -195,6 +197,9 @@ in
     resolved.enable = true;
     sshd.enable = true;
     tailscale.enable = true;
+    udev.extraRules = ''
+      ACTION=="add", ATTR{idVendor}=="041e", ATTR{idProduct}=="3255", RUN+="${pkgs.sbx-h6-rgb}/bin/sbx-h6-ctl -c c010ff 041e:3255"
+    '';
     xserver.videoDrivers = [ "amdgpu" ];
     xserver = {
       enable = true;
@@ -238,6 +243,7 @@ in
       podman
       psst
       qemu
+      sbx-h6-rgb
       strace
       tailscale
       traceroute
diff --git a/overlays/default.nix b/overlays/default.nix
index cc90161..d67cd76 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -1,4 +1,5 @@
 final: prev: {
+  sbx-h6-rgb = prev.callPackage ./sbx-h6-rgb { };
   tmux-sessionizer = prev.callPackage ./tmux-sessionizer { };
   vpngate = prev.callPackage ./vpngate { };
 }
diff --git a/overlays/sbx-h6-rgb/default.nix b/overlays/sbx-h6-rgb/default.nix
new file mode 100644
index 0000000..c2588f9
--- /dev/null
+++ b/overlays/sbx-h6-rgb/default.nix
@@ -0,0 +1,38 @@
+{ lib
+, fetchFromGitHub
+, pkgs
+, stdenv
+,
+}:
+stdenv.mkDerivation rec {
+  pname = "sbx-h6-rgb";
+  version = "95b4ef9788ef94e557a4d1e815079d5ea8a70943";
+
+  src = fetchFromGitHub {
+    owner = "Oscillope";
+    repo = "sbx-h6-rgb";
+    rev = version;
+    sha256 = "sha256-tKKNdzijloBiGBHf5C604824B/BbxBxvCL/ms4orT9M=";
+  };
+
+  buildInputs = with pkgs; [
+    hidapi
+  ];
+
+  buildPhase = ''
+    make
+  '';
+
+  installPhase = ''
+    install -D sbx-h6-ctl $out/bin/sbx-h6-ctl
+  '';
+
+  meta = with lib; {
+    description = "Creative SoundBlasterX RGB LED setter.";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ davegallant ];
+    platforms = platforms.linux;
+  };
+
+}
+