diff --git a/curacao/dedup/default.nix b/curacao/dedup/default.nix
new file mode 100644
index 0000000..3c22483
--- /dev/null
+++ b/curacao/dedup/default.nix
@@ -0,0 +1,15 @@
+{ pkgs, lib, config, ... }:
+{
+  config = {
+    services.beesd.filesystems = {
+      razmo = {
+        spec = "/mnt/razmo";
+        hashTableSizeMB = 512; # Recommended for 1 TiB, ×2 for compression, x2 for time
+      };
+      rapido = {
+        spec = "/mnt/rapido";
+        hashTableSizeMB = 128; # 4 times smaller disk, 4 times smaller hashtable?
+      };
+    };
+  };
+}
diff --git a/curacao/default.nix b/curacao/default.nix
index b432912..8107c18 100644
--- a/curacao/default.nix
+++ b/curacao/default.nix
@@ -5,6 +5,7 @@
   };
   imports = [
     ./backup
+    ./dedup
     ./disko.nix
     ./features.nix
     ./hardware.nix