I have a Corsair Carbide 300R; it can support 7 fans:
- 2xFront, Top, Side
- 1xRear
All but Rear can be 140mm.
Normal load temps (with some slight OC) never exceed 70c, but I prefer cooler especially as I am soon to upgrade components.
I currently only have 1x120mm in Front and Rear. My...