There are a couple of small form factor options as well. Those looking to challenge their PC-building skills and have some extra cash lying around can go for the NZXT H1 compact mini-ITX case.
The NZXT H7 Flow has been around for some time ... If you’ve opted for a tiny mini-ITX system, you can opt for a very tall but small-footprint case such as the Fractal mood or Hyte Revolt ...
The best budget Mini-ITX case is the Hyte Revolt 3, as it's reasonably priced for a small and handy chassis. I've spent a serious chunk of time jamming components into a wealth of Mini-ITX cases ...
NZXT has really cemented its design ... You can theoretically bodge it by using a small piece of plastic to wedge under the foot (or in my case a rear PCIe bracket; really don't do that though ...
In fairness, this is the case for 90% of AIO coolers, but while NZXT is trying to refine design ... I’ve put it to work in a small form factor gaming PC that has the heat of a lot of components ...