diff --git a/systems/nixos-desk/default.nix b/systems/nixos-desk/default.nix
index 3ea1fd0..9fbbba4 100644
--- a/systems/nixos-desk/default.nix
+++ b/systems/nixos-desk/default.nix
@@ -43,7 +43,9 @@
         "kvm"
         "nixos-test"
         "gccarch-x86-64-v3"
-        "gccarch-znver3"
+        "gccarch-znver1"
+        "gccarch-znver2"
+        "gccarch-znver3" # 3 is backwards compat to 1
       ];
 
       boot = {
@@ -51,7 +53,8 @@
         # kernelPackages = pkgs.linuxPackages_zen;
 
         # kernelPackages = pkgs.linuxPackages_cachyos;
-        kernelPackages = pkgs.pkgsx86_64_v3.linuxPackages_cachyos;
+        # kernelPackages = pkgs.linuxPackages_cachyos-rc;
+        kernelPackages = pkgs.pkgsAMD64Microarchs.znver2.linuxPackages_cachyos-rc;
         kernelModules = [ "nct6775" ];
         # extraModulePackages = [ hid-fanatecff ];
         loader = {