Which GPU radiator fans push or pull for better cooling?
Which GPU radiator fans push or pull for better cooling?
USAFRet:
jimmyEatWord:
if it blows in, it will heat up your motherboard
True. But the other side argues you're pulling in cool air from outside through the radiator...
That might only be accurate for a very powerful, fast-spinning fan—which I don't think exists.
No, I meant a radiator mounted at the front with fans drawing in outside air.
I'm not sure, I've only used pre-built closed loops. Wouldn't a radiator with fans outside blowing air inside make things worse?
That might only be possible with an extremely powerful and rapidly spinning fan, something I believe doesn't actually exist.
If the fan is expelling hot air, then cold air must be entering somewhere else.
I used a two-motor fan in my Dell e520, which fit perfectly into the original installation.
In short, there isn't a completely certain response either way.
william p :
"that could only be possible with an extremely powerful, fast-spinning fan that I believe doesn’t actually exist."
https://www.youtube.com/watch?v=Wqc72EOuteU
If the fan is expelling hot air, then cold air must be entering somewhere else.
I used a fan in my Dell e520, and it fit perfectly into the original mounting.
https://www.youtube.com/watch?v=sIJUYHetJWs
Technically, the air can’t be cold, but the intake should be the front fan, like the 240 mm model I have.
I saw that video—can you really play games without getting disturbed by such loud fans? I don’t know what custom loop designers use, but it’s definitely too noisy."
In short, there isn't a completely certain response either way.
What matters is what fits your gear and situation.
I understand he shared a YouTube clip about the pull method instead of push, but his point was about dust buildup between the rads rather than airflow.
USAFRet :
In short, there isn't a completely certain solution either way.
It depends on your gear and situation.
I understand someone shared a YouTube clip about the pull method rather than push, but their point was about dust building up between the radiators and airflow.
That makes sense.
Usually, fans that push air through the radiator are better.
Using front intake or top exhaust works too.
This way, any dust tends to stick on the fan blades instead of the fins.
And the fans are simpler to maintain—just take them out when needed.
I watched that video, can you really play games without getting nervous with such fans? I’m not sure what kinds of fans custom loop designers use, but they’re extremely loud [/quotemsg]. Those who operate those fans keep the PWM at a very low level on custom controllers. They achieve higher speeds with less power, which means they start cooling up sooner. I shared that to highlight how effective powerful fans can be. The second video shows a fan I actually use—it runs much quieter, rarely exceeding 40% PWM. I didn’t find any footage of my current model, the AFC1512DG 150mmX50mm, which draws 1.8A (normal for a Dell) and only spins around 2000rpm.