The NZXT H7 Flow is a mid-tower PC case that accommodates mini-ITX, micro-ATX, and ATX motherboards. It comes with two F Series Quiet 120mm fans, two 3.5-inch drive bays, and six 2.5-inch bays.
If you've ever built inside an NZXT ATX tower, certainly in the last decade ... cooling issues may have been ironed out (those first cases were furnaces), but the overall feel is the same.
In fairness, this is the case for 90% of AIO coolers, but while NZXT is trying to refine design elements, maybe a more modular offering could be something to consider in the future. Then again, ...