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CPU Fan airflow direction..What way?

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pirate252

Member
Joined
Jun 1, 2002
I bought a thermalright AX-7 with a sunon 83 CFM fan, man that thing could be used in a jet engine i swear, but i am wondering wheather to point the airflow direction up, away from the HS, or down, towards the HS. On the products web site it says somthing about being nice because the airflow would hit mobo components, and that got me thinking, becasue it seems like with that much airflow i would want to point it away where there would be the least resistance to that massive airflow, whats the real anwser here guys??

Thanks

Matt
 

Tmod

Member
Joined
Jul 18, 2001
pirate252

Usually the fan will be blowing on the heatsink, The only exception that I know of would be the Alpha series of heatsinks.
 

spazzkid

Member
Joined
Sep 28, 2001
Location
Philippines
the best way is to point it directly blowing over the hsf. but on sum cases, people with different airflow patterns do good on an inverted fan. most of it conforms what type of airflow u have on ur case.
 

Deadphishy

Member
Joined
Jul 14, 2002
Location
Royal oak, Mi
i have an ax-7 and i tried both ways with my Tt smart fan 2, and got about 4 deg higher temps when i had the fan sucking air ratheir then blowing on the heatsink.
 

maxima88

Member
Joined
Jan 24, 2002
I also found my cpu temps to be higher w/ the fan blowing away from the hs than blowing onto it.
 
OP
pirate252

pirate252

Member
Joined
Jun 1, 2002
so blow down is the way to go unless i wanna duct it, ok thanks all!!

Matt