a triangle setup with 3 s-5 panels = 900 watts maybe 1100 if you push to freq 412.
two fans push pull with external controller I guess it could be done.
What for? Does anyone think that this will lead to some better S5 cooling? We all know that the main S5 problem is that the heat is removed not from appropriate side of the chip. That is why sticking a little radiators from another side of the PCB is so preferable. Even Bitmain understood this. That is how S5 should look from the first sold unit:
