diff --git a/hosts/NixNAS/configuration.nix b/hosts/NixNAS/configuration.nix
index acc44a0..b01075e 100644
--- a/hosts/NixNAS/configuration.nix
+++ b/hosts/NixNAS/configuration.nix
@@ -8,6 +8,7 @@
   imports =
     [ # Include the results of the hardware scan.
       ./hardware-configuration.nix
+      ./filesystems.nix
     ];
 
   networking.hostName = "NixNAS";
diff --git a/hosts/NixNAS/filesystems.nix b/hosts/NixNAS/filesystems.nix
new file mode 100644
index 0000000..87309f9
--- /dev/null
+++ b/hosts/NixNAS/filesystems.nix
@@ -0,0 +1,14 @@
+{
+  fileSystems = {
+    "/mnt/hdd" =
+      { device = "/dev/disk/by-label/NixNAS_HDD";
+        fsType = "btrfs";
+        options = [ "discard" ];
+      };
+    "/mnt/ssd" =
+      { device = "/dev/disk/by-label/NixNAS_SSD";
+        fsType = "btrfs";
+        options = [ "discard" ];
+      };
+  }
+}
\ No newline at end of file