diff --git a/ops/nixos/cofractal-ams01/README.md b/ops/nixos/cofractal-ams01/README.md
new file mode 100644
index 0000000000..b2ecb54756
--- /dev/null
+++ b/ops/nixos/cofractal-ams01/README.md
@@ -0,0 +1,11 @@
+<!--
+SPDX-FileCopyrightText: 2023 Luke Granger-Brown <depot@lukegb.com>
+
+SPDX-License-Identifier: Apache-2.0
+-->
+
+# cofractal-ams01.as205479.net
+
+Dedicated host running NixOS. 
+
+TODO(lukegb): all of this.
diff --git a/ops/nixos/cofractal-ams01/default.nix b/ops/nixos/cofractal-ams01/default.nix
new file mode 100644
index 0000000000..e6a0528de8
--- /dev/null
+++ b/ops/nixos/cofractal-ams01/default.nix
@@ -0,0 +1,128 @@
+# SPDX-FileCopyrightText: 2023 Luke Granger-Brown <depot@lukegb.com>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+{ depot, lib, pkgs, config, ... }:
+{
+  imports = [
+    ../lib/bgp.nix
+    ../lib/zfs.nix
+  ];
+
+  boot.initrd = {
+    availableKernelModules = [
+      "ehci_pci"
+      "ahci"
+      "usbhid"
+      "usb_storage"
+      "sd_mod"
+      "sr_mod"
+      "bnx2"  # ethernet
+    ];
+    network = {
+      enable = true;
+      ssh = {
+        enable = true;
+        hostKeys = ["/persist/etc/ssh/ssh_host_ed25519_key"];
+        authorizedKeys = map builtins.readFile config.users.users.lukegb.openssh.authorizedKeys.keyFiles;
+      };
+      postCommands = ''
+        echo "zfs load-key -a; killall zfs" >> /root/.profile
+      '';
+    };
+  };
+  boot.kernelParams = [
+    "ip=83.97.19.68::83.97.19.65:255.255.255.224:cofractal-ams01:eno1:none"
+  ];
+  boot.kernelModules = [ "kvm-amd" ];
+
+  # Use the systemd-boot EFI boot loader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  powerManagement.cpuFreqGovernor = lib.mkDefault "performance";
+  services.zfs.rollbackOnBoot = {
+    enable = true;
+    snapshot = "tank/local/root@blank";
+  };
+
+  fileSystems = let
+    zfs = device: {
+      device = device;
+      fsType = "zfs";
+    };
+  in {
+    "/" = zfs "tank/local/root";
+    "/nix" = zfs "tank/local/nix";
+    "/tmp" = zfs "tank/local/tmp";
+
+    "/persist" = zfs "tank/safe/persist";
+    "/home" = zfs "tank/safe/home";
+
+    "/boot" = {
+      device = "/dev/disk/by-partlabel/ESP";
+      fsType = "vfat";
+    };
+  };
+
+  nix.settings.max-jobs = lib.mkDefault 8;
+
+  # Networking!
+  networking = {
+    hostName = "cofractal-ams01";
+    domain = "as205479.net";
+    hostId = "a1cf1a9f";
+    useNetworkd = true;
+
+    nameservers = [
+      "2001:4860:4860::8888"
+      "2001:4860:4860::8844"
+      "8.8.8.8"
+      "8.8.4.4"
+    ];
+    defaultGateway = {
+      address = "83.97.19.65";
+    };
+    defaultGateway6 = {
+      address = "2a07:242:800:64::1";
+    };
+  };
+  # my.ip.tailscale = "100.111.191.21";
+
+  services.openssh.hostKeys = [
+    {
+      path = "/persist/etc/ssh/ssh_host_ed25519_key";
+      type = "ed25519";
+    }
+    {
+      path = "/persist/etc/ssh/ssh_host_rsa_key";
+      type = "rsa";
+      bits = 4096;
+    }
+  ];
+
+  systemd.mounts = let
+    bindMount' = dir: {
+      unitConfig.RequiresMountsFor = dir;
+      options = "bind";
+      what = "/persist${dir}";
+      where = dir;
+    };
+    bindMountSvc = dir: svc: (bindMount' dir) // {
+      bindsTo = [svc];
+      partOf = [svc];
+    };
+    bindMountSvcDynamic = dir: svc: (bindMount' "/var/lib/private/${dir}") // {
+      requiredBy = [svc];
+      before = [svc];
+      wantedBy = ["multi-user.target"];
+    };
+    bindMount = dir: (bindMount' dir) // {
+      wantedBy = ["multi-user.target"];
+    };
+  in [
+    (bindMountSvc "/var/lib/tailscale" "tailscaled.service")
+  ];
+
+  system.stateVersion = "23.05";
+}
diff --git a/ops/nixos/default.nix b/ops/nixos/default.nix
index 73f635da2b..ab33a96611 100644
--- a/ops/nixos/default.nix
+++ b/ops/nixos/default.nix
@@ -47,6 +47,7 @@ let
     "bvm-paperless"
     "oracle-lon01"
     "kerrigan"
+    "cofractal-ams01"
   ];
   rebuilder = system: (import ./lib/rebuilder.nix (args // { system = system; }));
   systemCfgs = lib.genAttrs systems
diff --git a/ops/nixos/installcd/default.nix b/ops/nixos/installcd/default.nix
index be1ac06aa4..7d116b65e8 100644
--- a/ops/nixos/installcd/default.nix
+++ b/ops/nixos/installcd/default.nix
@@ -13,7 +13,7 @@ in {
   isoImage.isoName = lib.mkForce "nixos-${depot.version}-${pkgs.stdenv.hostPlatform.system}.iso";
 
   isoImage.storeContents = [
-    depot.ops.nixos.systems.etheroute-lon01
+    depot.ops.nixos.systems.cofractal-ams01
   ];
 
   system.disableInstallerTools = false;