diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index 097d9fc..2721ee4 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -27,11 +27,19 @@ in {
 
   fileSystems."/".options = fsOptions ++ [ "subvol=nixos_root" ];
   fileSystems."/home".options = fsOptions ++ [ "subvol=home" ];
+  boot.tmpOnTmpfs = true;
+  fileSystems."/tmp".fsType = "tmpfs";
 
   services.fstrim.enable = true;
 
   # powermanagement
-  services.tlp.enable = true;
+  services.tlp = 
+    { enable = true;
+      extraConfig = ''
+      SATA_LINKPWR_ON_BAT=medium_power
+      SATA_LINKPWR_ON_AC=max_performance
+      '';
+    };
   #powerManagement.powertop.enable = true;
 
   # Use the systemd-boot EFI boot loader.