diff --git a/nixos/doc/manual/release-notes/rl-2405.section.md b/nixos/doc/manual/release-notes/rl-2405.section.md
index 0905337de94d..60e304f3b385 100644
--- a/nixos/doc/manual/release-notes/rl-2405.section.md
+++ b/nixos/doc/manual/release-notes/rl-2405.section.md
@@ -113,6 +113,8 @@ The pre-existing [services.ankisyncd](#opt-services.ankisyncd.enable) has been m
 
 - [Mealie](https://nightly.mealie.io/), a self-hosted recipe manager and meal planner with a RestAPI backend and a reactive frontend application built in NuxtJS for a pleasant user experience for the whole family. Available as [services.mealie](#opt-services.mealie.enable)
 
+- [Uni-Sync](https://github.com/EightB1ts/uni-sync), a synchronization tool for Lian Li Uni Controllers. Available as [hardware.uni-sync](#opt-hardware.uni-sync.enable)
+
 ## Backward Incompatibilities {#sec-release-24.05-incompatibilities}
 
 <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
diff --git a/nixos/modules/hardware/uni-sync.nix b/nixos/modules/hardware/uni-sync.nix
new file mode 100644
index 000000000000..69411619bc94
--- /dev/null
+++ b/nixos/modules/hardware/uni-sync.nix
@@ -0,0 +1,117 @@
+{ config
+, lib
+, pkgs
+, ...
+}:
+with lib; let
+  cfg = config.hardware.uni-sync;
+in
+{
+  meta.maintainers = with maintainers; [ yunfachi ];
+
+  options.hardware.uni-sync = {
+    enable = mkEnableOption (mdDoc "udev rules and software for Lian Li Uni Controllers");
+    package = mkPackageOption pkgs "uni-sync" { };
+
+    devices = mkOption {
+      default = [ ];
+      example = literalExpression ''
+        [
+          {
+            device_id = "VID:1111/PID:11111/SN:1111111111";
+            sync_rgb = true;
+            channels = [
+              {
+                mode = "PWM";
+              }
+              {
+                mode = "Manual";
+                speed = 100;
+              }
+              {
+                mode = "Manual";
+                speed = 54;
+              }
+              {
+                mode = "Manual";
+                speed = 0;
+              }
+            ];
+          }
+          {
+            device_id = "VID:1010/PID:10101/SN:1010101010";
+            sync_rgb = false;
+            channels = [
+              {
+                mode = "Manual";
+                speed = 0;
+              }
+            ];
+          }
+        ]
+      '';
+      description = mdDoc "List of controllers with their configurations.";
+      type = types.listOf (types.submodule {
+        options = {
+          device_id = mkOption {
+            type = types.str;
+            example = "VID:1111/PID:11111/SN:1111111111";
+            description = mdDoc "Unique device ID displayed at each startup.";
+          };
+          sync_rgb = mkOption {
+            type = types.bool;
+            default = false;
+            example = true;
+            description = mdDoc "Enable ARGB header sync.";
+          };
+          channels = mkOption {
+            default = [ ];
+            example = literalExpression ''
+              [
+                {
+                  mode = "PWM";
+                }
+                {
+                  mode = "Manual";
+                  speed = 100;
+                }
+                {
+                  mode = "Manual";
+                  speed = 54;
+                }
+                {
+                  mode = "Manual";
+                  speed = 0;
+                }
+              ]
+            '';
+            description = mdDoc "List of channels connected to the controller.";
+            type = types.listOf (types.submodule {
+              options = {
+                mode = mkOption {
+                  type = types.enum [ "Manual" "PWM" ];
+                  default = "Manual";
+                  example = "PWM";
+                  description = mdDoc "\"PWM\" to enable PWM sync. \"Manual\" to set speed.";
+                };
+                speed = mkOption {
+                  type = types.int;
+                  default = "50";
+                  example = "100";
+                  description = mdDoc "Fan speed as percentage (clamped between 0 and 100).";
+                };
+              };
+            });
+          };
+        };
+      });
+    };
+  };
+
+  config = mkIf cfg.enable {
+    environment.etc."uni-sync/uni-sync.json".text = mkIf (cfg.devices != [ ]) (builtins.toJSON { configs = cfg.devices; });
+
+    environment.systemPackages = [ cfg.package ];
+    services.udev.packages = [ cfg.package ];
+  };
+}
diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 41e369ac1c65..b0b188f98387 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -98,6 +98,7 @@
   ./hardware/tuxedo-keyboard.nix
   ./hardware/ubertooth.nix
   ./hardware/uinput.nix
+  ./hardware/uni-sync.nix
   ./hardware/usb-modeswitch.nix
   ./hardware/usb-storage.nix
   ./hardware/video/amdgpu-pro.nix