The reason I'm asking is that I have a somewhat unique situation.
I don't use a computer case, so I have no "heat buildup" or GPU heat transfer issues to the CPU area.
I don't worry about case intake or exhaust because there is no case.
I do use a noctua d15 and one thing that i've always wondered about it the "stock" configuration of the d15 with the center fan.
In stock configuration, one of the radiator fin stacks is always going to be using hot exhaust air from the other fin stack. One stack gets fresh air .... the other gets heated air.
So, I was wondering if it would be better to mount the 2 fans on the outside of the fin stacks, with no fan in the center.
Then the choice is wether to push air into each the fin stacks or pull air out of the fin stacks......
Any thoughts and opinions ??