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Hey everyone, I'm new here and I've got a question. I have a water cooled setup with CPU block, NB and GPU going to a Swiftek MCR320 Rad. At the time of installation I didn't expect that much heat so when I custom mounted the rad on top of my case I only put 2 120 fans on. To give you an example of what it looks like its my Rad sitting on top of my case with 2 fans inside the case blowing up through the rad. I'm in So Cal so temps get kind of warm here and lately my water temps have been getting up to ~35C then I turn my fans up and it usually settles around ~33C. As I'm typing right now it's at ~28C but I worry about temps especially when gaming. My CPU seems to idle in the High 30's. Should I drill out the top whole to incorporate another fan and add fans to the top also sucking the air out? I just saw a case mod with 9 fans on my same rad, that seems like a bit of overkill for me but do you think adding 3 fans to the top would lower my temps? Any help is appreciated, sorry if I rambled.

88EVGAFTW

adding one more fan to the rad will help some, cause you only have 2 blowing thru it and it needs 3, and yeah you can do push/pull setup, I am not sure how much itll help though. but id add the last fan if you can to have even air flow thru the whole rad.

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Random\/

Thanks for the advice, I think I will definitely put a 3rd one on, I ran into a space issue and thats the reason I didn't add a third, would putting a third on the top pulling be sufficient. Does anyone have experience adding fans to pull air out, did it make much of a difference?

88EVGAFTW

i dont have any experience with pull only fans, but logic tells me that push would work better than pull, I could be wrong, but think about it. =P

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doat

push would work better than pull but do a push/pull if you can that will help or get X38mm fans those have higher static pressure and can push more air through.

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Monst3r

Push/pull with higher CFM fans will dominate that rad, thats for sure mate

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Thank you all, seems like it's time to buy more fans. I would ask for recommendations on fans but I saw a few posts and I'll go check them out. I currently have 2 of these (http://www.sidewindercomputers.com/sc12slsy110c.html) 110 CFM Scythes, haven't heard anything bad or good about them on here (yet) but I heard panaflo's were good and ultra kaze. I am all about quiet computing so I hope I can find some good cfm quiet ones. Thanks again!

TopFuel1471

I have a GTX360 on my cpu, nb, and mosfets. With 3 panaflos on, water sits at 28* in the res. Running completely passive without the fans on, temp goes up to 33* and stays there, even under load. So I don't think the extra fan will help temps too much with the rad mounted outside the case like mine is. There is always airflow in the room, whether it's from a ceiling fan or a window open. The rad is probably giving away 90% of the heat it can already, especially with the low fin count of the MCR320. But the fan certainly wouldn't hurt anything.

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So what could the culprit be TopFuel? Do you think I'm just getting a lot of heat generation from my CPU and GPU? Should I consider a 2nd rad?

Monst3r

Mounting it on the outside of your case will give you better Temps...

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