phanteks enthoo pro 2

Hello, Currently I have DG86 evga case, I don't satisfied with cooling. It can take up to only 8 fans. My components are; MSI MAG 360 Gigabyte Xtreme Aorus waterforce RTX 3080 Preinstalled rear and front fans. Problem with my old case is GPU VRAM's reach very high(104-108 Celcius, when I put it...

Thinking to buy a Phanteks Pro II (http://www.phanteks.com/Enthoo-Pro2-TemperedGlass.html) and looking for fans. This case has lots of fan places. Will it be overkill to fill all of them? Total Fan Mounts = 15 x 120 mm / 8 x 140 mm (+6x +120mm) Front Fan = 4 x 120 mm / 3 x 140 mm Top Fan = 3 x...