The Switch 810 can accomodate up to 10 120mm or 140mm fans (and if you do two sets of triple fans in the top, then you have a total of 13 fans.)
Radiators, well, that's up to you and how you want to build your rig. I've seen triple rads in the front (modded), dual rads in the front, dual rads in the bottom, triple rads up top. Again, it's up to how you spec your build and what you're going to do with it.