The problem that I find is that most cases only say they support x drives, but with some additional (official) drive cages can support more, but stuff like PC Part Picker doesn’t show that, so hard to search that way.

Did you have something else in mind?

Fair question, difficult to answer.

I bought the Deep Silence around $180. So maybe $250 or so/less? Flexible. Definitely not Storinator prices (though I wish they sold the chassis separate).