I've gone back to air to avoid all the mucking around that water entails, and chose this case to make the switch with. Previously, I was using a ThermalTake View 71 TG case with Lian Li UNI SL120 fans attached to radiators front and top. It was basically the O.G. fishtank case with thick glass panels covering 4 sides. Compared with my new Havn, the glass restricted the air so much that even with 780mm of rad capacity I couldn't dissipate the heat enough to make water worth it, especially when there was any dust buildup (which happened frequently, as dust gets lodged in the radiators).
With this new one, I've gone all-out air using the three fans that come with the Havn BF360 Flow, plus two additional 180mm in the Havn recommended config (one top intake, one top vent) and it is cooling an AMD 9950X3D + RX 9070XT. CPU cooler is Be Quiet! Dark Rock Pro 5 and it doesn't need to really ramp up in this case. I've got the CPU in performance mode atm, just because I can't be bothered to open the case and flip the switch to quiet mode, but it's sitting at 35% right now. Havn case fans are at 28%.
There is a light hum coming from somewhere, but I haven't identified from which set of fans yet. The hum is strangely about the same volume with closed-back headphones on as it is when I take them off, although I can obviously hear the slight hiss of air moving much more easily when I take the headphones off. Not audible when playing games at all, just quietly browsing etc. Not sure if it's turbulence or motor noise, but the one good thing with my previous 6x Lian Li UNI SL120 setup is that there was no noticeable motor noise, but this new Havn case ends up being much quieter, because the fans don't need to ramp up very much at all plus I don't have to worry about leaks, tube lengths and waterblocks any longer, because I'm on 100% air, for goodness sake.