diff --git a/etcnixos/flake.lock b/etcnixos/flake.lock
index 7473c52..dda74e8 100644
--- a/etcnixos/flake.lock
+++ b/etcnixos/flake.lock
@@ -167,11 +167,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1737590910,
-        "narHash": "sha256-qM/y6Dtpu9Wmf5HqeZajQdn+cS0aljdYQQQnrvx+LJE=",
+        "lastModified": 1737751639,
+        "narHash": "sha256-ZEbOJ9iT72iwqXsiEMbEa8wWjyFvRA9Ugx8utmYbpz4=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "9368027715d8dde4b84c79c374948b5306fdd2db",
+        "rev": "dfad538f751a5aa5d4436d9781ab27a6128ec9d4",
         "type": "github"
       },
       "original": {
@@ -183,11 +183,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1737569578,
-        "narHash": "sha256-6qY0pk2QmUtBT9Mywdvif0i/CLVgpCjMUn6g9vB+f3M=",
+        "lastModified": 1737672001,
+        "narHash": "sha256-YnHJJ19wqmibLQdUeq9xzE6CjrMA568KN/lFPuSVs4I=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "47addd76727f42d351590c905d9d1905ca895b82",
+        "rev": "035f8c0853c2977b24ffc4d0a42c74f00b182cd8",
         "type": "github"
       },
       "original": {
diff --git a/etcnixos/system-yarn.nix b/etcnixos/system-yarn.nix
index ff29462..a0a8d92 100644
--- a/etcnixos/system-yarn.nix
+++ b/etcnixos/system-yarn.nix
@@ -17,18 +17,31 @@
     inputs.nixos-hardware.nixosModules.common-cpu-amd-zenpower
   ];
 
+  networking.hostId = "abf570f9";
   boot = {
+    kernelPackages = lib.mkForce pkgs.linuxPackages;
+
     kernelParams = [
       # allow overclocking (I actually underclock but lol)
       "amdgpu.ppfeaturemask=0xFFF7FFFF"
+
+      # 2048MB
+      "zfs.zfs_arc_max=2048000000"
     ];
 
+    supportedFilesystems = [ "zfs" ];
+    zfs.extraPools = [ "laptop_hdds" ];
+
     kernelModules = [
       # kernel module for case fan control
       "nct6775"
     ];
   };
 
+  systemd.tmpfiles.rules = [
+    "d /laptop_hdds 0755 ${username} users"
+  ];
+
   services.xserver.enable = false;
   services.desktopManager.plasma6.enable = true;
   services.displayManager = {
diff --git a/home-manager/flake.lock b/home-manager/flake.lock
index 2c96501..a417ce9 100644
--- a/home-manager/flake.lock
+++ b/home-manager/flake.lock
@@ -54,11 +54,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1737669579,
-        "narHash": "sha256-v9WQ3c4ctwPMfdBZMZxpdM9xXev4uChce4BxOpvsu0E=",
+        "lastModified": 1737704314,
+        "narHash": "sha256-zta8jvOQ2wRCZmiwFEnS5iCulWAh8e+fLUlQxrgOBjM=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "7b9ece1bf3c8780cde9b975b28c2d9ccd7e9cdb9",
+        "rev": "a0428685572b134f6594e7d7f5db5e1febbab2d7",
         "type": "github"
       },
       "original": {
@@ -79,11 +79,11 @@
         "xwayland-satellite-unstable": "xwayland-satellite-unstable"
       },
       "locked": {
-        "lastModified": 1737627930,
-        "narHash": "sha256-oaAatwNVaX36xmI2AKIVu2oG07XJmHq2T+Y66hEprd8=",
+        "lastModified": 1737746480,
+        "narHash": "sha256-Lccg6b+Sz6TSDj4BpLZhugauwDa/CyCjF7E6W3VvYa0=",
         "owner": "sodiboo",
         "repo": "niri-flake",
-        "rev": "f79aa307f4bc0bfbabee404e6354fd2a1edfcb01",
+        "rev": "afeb7877090d50d02c1ecab3159b328b85a44868",
         "type": "github"
       },
       "original": {
@@ -112,11 +112,11 @@
     "niri-unstable": {
       "flake": false,
       "locked": {
-        "lastModified": 1737623252,
-        "narHash": "sha256-orq/c8lOUrZfCHQhfuLEJtMZpfBYhMtGv1Xuz99Pxj0=",
+        "lastModified": 1737697331,
+        "narHash": "sha256-9k77pFW2ANx8bZc+RcF6YP9McFZsUCWWY+XwBX0P3/Q=",
         "owner": "YaLTeR",
         "repo": "niri",
-        "rev": "128b01e04905d833214f52a3c6fab308bcc15ce0",
+        "rev": "748d90b443b9f20134020c21760b5b6c2c42a7de",
         "type": "github"
       },
       "original": {
@@ -127,11 +127,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1737569578,
-        "narHash": "sha256-6qY0pk2QmUtBT9Mywdvif0i/CLVgpCjMUn6g9vB+f3M=",
+        "lastModified": 1737672001,
+        "narHash": "sha256-YnHJJ19wqmibLQdUeq9xzE6CjrMA568KN/lFPuSVs4I=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "47addd76727f42d351590c905d9d1905ca895b82",
+        "rev": "035f8c0853c2977b24ffc4d0a42c74f00b182cd8",
         "type": "github"
       },
       "original": {
@@ -143,11 +143,11 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1737569578,
-        "narHash": "sha256-6qY0pk2QmUtBT9Mywdvif0i/CLVgpCjMUn6g9vB+f3M=",
+        "lastModified": 1737672001,
+        "narHash": "sha256-YnHJJ19wqmibLQdUeq9xzE6CjrMA568KN/lFPuSVs4I=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "47addd76727f42d351590c905d9d1905ca895b82",
+        "rev": "035f8c0853c2977b24ffc4d0a42c74f00b182cd8",
         "type": "github"
       },
       "original": {
@@ -174,11 +174,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1737599167,
-        "narHash": "sha256-S2rHCrQWCDVp63XxL/AQbGr1g5M8Zx14C7Jooa4oM8o=",
+        "lastModified": 1737685583,
+        "narHash": "sha256-p+NVABRpGi+pT+xxf9HcLcFVxG6L+vEEy+NwzB9T0f8=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "38374302ae9edf819eac666d1f276d62c712dd06",
+        "rev": "eb64cbcc8eee0fa87ebded92805280d2ec97415a",
         "type": "github"
       },
       "original": {
@@ -242,11 +242,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1737656612,
-        "narHash": "sha256-Lfi7TNgkEEz1mbTpwltdzUfTdZ1Ez1F9M9a7NRU3K3I=",
+        "lastModified": 1737688749,
+        "narHash": "sha256-c67wGumgDSYe6T6OJOKP15H2ODxItUXXekQqDSPjEa0=",
         "owner": "0xc000022070",
         "repo": "zen-browser-flake",
-        "rev": "654bb9ee35d1116f401c72f545bf307fb62bfb3c",
+        "rev": "44a3c15f50dba8073feca64ec500daa44d9f366d",
         "type": "github"
       },
       "original": {