Load thousands of static colliders, or have hundreds of thousands at once?

In general, on a modern average PC, would loading in around a few thousand of static capsule colliders at a time cause a hiccup in the game, whether loaded by loadlevel.async or by resource folder? I know physx will sort of ignore far colliders but it might still be too much to have at once. Without loading them in there will be probably near 500,000 static colliders if not more. What have your experiences been with situations like this?