diff --git a/systems/x86_64-linux/x1/default.nix b/systems/x86_64-linux/x1/default.nix
index a78acb8..7cf7930 100644
--- a/systems/x86_64-linux/x1/default.nix
+++ b/systems/x86_64-linux/x1/default.nix
@@ -47,5 +47,12 @@ with lib.metacfg;
 
   services.trezord.enable = true;
 
+  systemd.user.extraConfig = "DefaultLimitNOFILE=32000";
+
+  security.pam.loginLimits = [
+    { domain = "*"; item = "nofile"; type = "-"; value = "32768"; }
+    { domain = "*"; item = "memlock"; type = "-"; value = "32768"; }
+  ];
+
   system.stateVersion = "23.11";
 }