Bottoming out depends on a lot of things. Topre offers a little padding on the bottom as you squish the rubber. Plastic plates or PCB-mounted switches offer a

Bottoming out depends on a lot of things. Topre offers a little padding on the bottom as you squish the rubber. Plastic plates or PCB-mounted switches offer a little give. Personally, my daily driver has thick steel plates, but it's a small board and I type on my lap, so my thighs cushion the blow. And regardless of what keyboard I use, I bottom out, really heavily. Box Navy switches are considered rather heavy, but I bottom them out with no trouble.