diff --git a/.github/scale-config.yml b/.github/scale-config.yml
new file mode 100644
index 000000000000..93c454d13603
--- /dev/null
+++ b/.github/scale-config.yml
@@ -0,0 +1,12 @@
+# scale-config.yml:
+#   Powers what instance types are available for GHA auto-scaled
+#   runners. Runners listed here will be available as self hosted
+#   runners, configuration is directly pulled from the main branch.
+#
+
+runner_types:
+  windows.4xlarge:
+    instance_type: c5d.4xlarge
+    os: windows
+    max_available: 20
+    disk_size: 256