It's true. Even for me.
My max squat as of now is 440lbs. Here's a video of the legendary female power lifter, Laura Phelps-Sweatt, warming up with 420lbs, 470lbs, and goes up from there.
This girl weighs less than me too! (She's about 165lbs; I'm about 190lbs).
More about Laura Phelps-Sweatt in this Q&A below: