I have the same great case Phanteks Enthoo Pro.
The case comes with a 200mm in the front an a 140mm in the back.
Fan Compatibility page 13 on the manual
Top-3x120mm,3x140mm,or 1x200 fan's
Front-2x120mm,2x140mm,1x200mm fan's
Bottom-2x120mm,or 1x140mm fan's
Rear-1x120mm, or1x140mm
I don't think...