vrm fan should be intake or exhaust?

Ascorbate

Reputable
Aug 28, 2014
94
0
4,660
Hi.
I've a m5a78l-m lx3 mobo, and I want to add a fan right on top of the vrms (making contact).
My Hyper 212 plus push hot air to the rear fan, passing over vrm.
So my question is, fan should be blowing air to the vrm or sucking air from them?
Thanks in advance.