Hi and thanks for all the feedback.
Ok, so fiddling with the different fan (size) options, I'm trying to make up my mind.
In order do to so, uploaded 2 pics : one with my case clearings from the bottom side up to the mobo and a drawing of the 3 possible fan sizes.
We're talking horizontal mount here (fixing the fans horizontally on the bottom of the case).
- 120mm fans
Basically, as far as capacity and noise are concerned, this would be the best pick in my opinion.
I would have to fix them on the ridge of the bottom part (which would increase overall hight 1,20 cm), but that's compensated for by the 1,5 cm hight of the fans. Thats only 2,7 cm overall (almost like a normal 25mm height fan).
It wouldn't cover the whole length of the morpheus nor the Radeon VII, but I wonder whether that's really going to be an issue if we look at the amount of air it can push through...
- 92mm fans
That would have been my second choice, but they're just 2mm too wide in order to place them directly on the bottom of the bottom part of the case (only 90mm wide). I could file those edges for 2mm, but I wonder whether it's worth the effort.
When comparing noise and capacity to the 80mm fans, surprisingly it pushes less air but produces more noise !
- 80mm
So this would be the contender (for me) for the 120mm fans.
Sure, it pushes less air and is a bit noisier, but maybe covers more of the pcb, especially in the center where the hotspot of the GPU will be.
Their size would allow me to put them directly on the bottom of the bottom part, which saves me 1,2 cm on the go.
Unfortunately, the fans themselves are 25mm thick, so I'm kinda loosing that gain to the 15mm 120mm fans...
So basically, I'm hesitating between the 120mm and the 80mm ones.
They're both PWM.
I did order a PWM adapter so I can plug them in the graphic card. So I just need a Y splitter for 2 or 3...
What would be you guys take on this ?
https://imgur.com/h4HxoSQ
https://imgur.com/bXhbDbw