diff --git a/hosts/ds9/default.nix b/hosts/ds9/default.nix
index e801234e..76143050 100644
--- a/hosts/ds9/default.nix
+++ b/hosts/ds9/default.nix
@@ -16,6 +16,12 @@ in
   # Don't Use the systemd-boot EFI boot loader.
   boot.loader.systemd-boot.enable = true;
 
+  # power save stuffzies
+  services.udev.path = [ pkgs.hdparm ];
+  services.udev.extraRules = ''
+    ACTION=="add|change", KERNEL=="sd[a-z]", ATTRS{queue/rotational}=="1", RUN+="${pkgs.hdparm}/bin/hdparm -S 60 -B 100 /dev/%k"
+  '';
+
   services.syncthing.enable = true;
   services.syncthing.user = "ragon";
 
@@ -234,6 +240,7 @@ in
 
   services.smartd = {
     enable = true;
+    extraOptions = [ "--interval=7200" ];
     #notifications.test = true;
   };
   nixpkgs.overlays = [
diff --git a/hosts/ds9/hardware-configuration.nix b/hosts/ds9/hardware-configuration.nix
index 93dc9b3b..89b544be 100644
--- a/hosts/ds9/hardware-configuration.nix
+++ b/hosts/ds9/hardware-configuration.nix
@@ -27,6 +27,7 @@
 
   services.sanoid.datasets."rpool/content/safe/data/media" = { };
   services.sanoid.enable = true;
+  services.sanoid.interval = "0/8:00:00";
 
   swapDevices = [{ device = "/dev/disk/by-id/nvme-eui.000000000000000100a075202c247839-part1"; randomEncryption = true; }];
   fileSystems."/boot".device = "/dev/disk/by-uuid/149F-23AA";