Jump to content

Swapping fans on heatsink with 120+140mm fans

doug_locke
By doug_locke
in Cooling
 Share
Posted
14 hours ago, doug_locke said:

Today's experiment: Added an 80mm center top exhaust fan and mounted and angled baffle to keep it from drawing air away from the cpu intake fan. In theory the smaller fan + baffle shouldn't interfere with the cpu cooler intake fan like a center 120mm exhaust fan does. Baffle keeps the air from the top-front intake fan from being immediately sucked out by the exhaust fan. And mounting the 80mm fan on the left (over the mobo) "should" pull air towards the mobo before expelling it, should cool ram and the top vrms slightly better.



 baf1.jpg.980bb3ea0683b6af97739fed82f70b8b.jpg

 

Top down diagram:

baff.png.91e41322313c74377abd174121eaff1f.png

Did it work well?

I've been using computers since around 1978, started learning programming in 1980 on Apple IIs, started learning about hardware in 1990, ran a BBS from 1990-95, built my first Windows PC around 2000, taught myself malware removal starting in 2005 (also learned on Bleeping Computer), learned web dev starting in 2017, and I think I can fill a thimble with all that knowledge. 😉 I'm not an expert, which is why I keep investigating the answers that others give to try and improve my knowledge, so feel free to double-check the advice I give.

My phone's auto-correct is named Otto Rong.🤪😂

Link to comment
Share on other sites
Link to post
Share on other sites
Posted
  • Author
14 hours ago, RevGAM said:

Did it work well?

It works, not a huge difference in max temps. 

 

1x120mm exhaust: CPU 89°, GPU 98°

2 x120mm top exhaust=CPU 92°, GPU 96°

1x120mm top exhaust, 1x120mm top intake= CPU 87°, GPU 101°

*120mm +80mm top exhaust, 1x120mm top intake= CPU 87°, GPU 97°

 

Until I free up fan header, the 120intake is spinning too fast and the 80mm too slow

 

Link to comment
Share on other sites
Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing Cooling

×