diff --git a/modules/assets/edid/g80.bin b/modules/assets/edid/g80.bin
new file mode 100644
index 0000000..0e8548d
Binary files /dev/null and b/modules/assets/edid/g80.bin differ
diff --git a/modules/hosts/nixos.nix b/modules/hosts/nixos.nix
index 71b6113..ee279db 100644
--- a/modules/hosts/nixos.nix
+++ b/modules/hosts/nixos.nix
@@ -16,6 +16,14 @@
     # Use latest kernel
     boot.kernelPackages = pkgs.linuxPackages_latest;
 
+    # Custom EDID override for Samsung 240Hz on DP-1
+    boot.kernelParams = ["drm.edid_firmware=DP-1:edid/g80.bin"];
+    hardware.firmware = [
+      (pkgs.runCommandNoCC "g80-edid-firmware" {} ''
+        install -Dm444 ${../assets/edid/g80.bin} $out/lib/firmware/edid/g80.bin
+      '')
+    ];
+
     # Hostname
     networking.hostName = "nixos";