diff --git a/Networks/raspberry_pi_rack.nix b/Networks/raspberry_pi_rack.nix
new file mode 100644
index 0000000..1627fd8
--- /dev/null
+++ b/Networks/raspberry_pi_rack.nix
@@ -0,0 +1,31 @@
+# NixOps configuration for the Raspberry Pi 3B Rack
+
+{
+  network = {
+    description = "Raspberry Pi 3B Rack";
+  };
+
+  defaults = {
+    imports =
+      [
+        ../Hardware/raspberry_pi_3_model_B.nix
+        ../Deployments/pi3B_rack.nix
+        ../Deployments/host_common.nix
+      ];
+  };
+
+  pi-tri =
+    { config, pkgs, lib, ... }:
+
+    {
+      #networking.hostName = "pi-tri";      # Define your hostname.
+
+      # This value determines the NixOS release with which your system is to be
+      # compatible, in order to avoid breaking some software such as database
+      # servers. You should change this only after NixOS release notes say you
+      # should.
+      system.stateVersion = "19.03"; # Did you read the comment?
+      system.autoUpgrade.enable = true;
+      system.autoUpgrade.channel = https://nixos.org/channels/nixos-19.03;
+    };
+}