cooling - Is it OK to have an exhaust fan directly above the intake fan for the CPU heatsink? - Super User
Desire Tech Tips - Push vs Pull vs Push / Pull CPU Fan Setup - Testing on AIO Radiator [in HINDI] - https://youtu.be/juJVwgtqZJo Here I have shared about the different fan setup
Radiator Fan Orientation and TFC Shroud Testing & Review
Push vs pull cooling - Ars Technica OpenForum
Push or Pull fan position for exhaust? : r/GamersNexus
Push/Pull or no?
Push/Pull Radiator Setups or "How I learned to stop worrying and love that more fans = less noise..." - ExtremeRigs.net
1 Fan vs 2: Chapter 2 - Push vs Pull | Overclock.net