R4 Fan Set up with h90

JohnSmith4321

Honorable
Oct 6, 2013
27
0
10,530
I have a h90 intaking air from the outside from the back. i have 2 additional 140mm and 1 120mm im using the stock fan for intake from the front. where should i place my 2 additional 140mm for optimal air flow?
 
Solution
for one, the H90 should blow air outside the case. If I had a R4 I'd have at least 2 fans on the front pulling air in, and the H90 on the top or rear blowing air out.