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Push/Pull vs High CFM Fan - Page 2

post #11 of 23
Quote:
Originally Posted by truthordare;15504791 
Here's a random quick question, Should I watercool my mobo NB? Its very hot to the touch.

your NB will work well past 100c which is way into the 'hot to the touch' sector. If you can touch it at all, it's fine. It's made to work with near to no air flow while under large gpu's so it's all up to preference. It's not necessary but I did liquid cool my mobo because I wanted to.
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post #12 of 23
Doesn't it all come down to noise at the end ?
post #13 of 23
Thread Starter 
Quote:
So no push/pull low FPI 120 rad with no push/pull low FPI 240 rad will work fine with CPU and 2 GPU?
ok, and what about the other question? After this I'll be done, Cha0s_Cha0 you have been a lot of help. +2 rep
Edited by truthordare - 10/29/11 at 8:57pm
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post #14 of 23
Thread Starter 
Quote:
Doesn't it all come down to noise at the end ?
Weeellll, not really, like I said, just don't want it to be super loud
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post #15 of 23
Quote:
Originally Posted by Qasual View Post
Doesn't it all come down to noise at the end ?
I personally don't really care too much about noise. I prefer having higher airflow and performance and lower temps and deal with a little bit of fan noise....just nothing TOO extreme. I don't want it to sound like I turned on the vacuum or something but a little is fine.

Edit : In fact I actually kinda like having my PC to have a little bit of a whirring fan noise cause it makes it kinda sound "powerful" you know like with muscle cars and having them have a certain 'purr' to them and it makes them sounds powerful and sexy
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post #16 of 23
Thread Starter 
Quote:
In fact I actually kinda like having my PC to have a little bit of a whirring fan noise cause it makes it kinda sound "powerful" you know like with muscle cars and having them have a certain 'purr' to them and it makes them sounds powerful and sexy
LOL.. I agree
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post #17 of 23
Quote:
Originally Posted by truthordare View Post
ok, and what about the other question? After this I'll be done, Cha0s_Cha0 you have been a lot of help. +2 rep
Hm, that's a bit tight. If the gpu's are at stock, you'll get good temps. Not great, but still a huge improvement over stock air cooling. I would recommend at least 4x120mm rads for decently overclocked gpus +cpu. The gpu's don't take a lot of rad to keep them at a decent temp but the cpu is more tempermental and needs more radiators if the gpu's are in the same loop. If you dont HAVE to have the rads inside of the case, then have them externally with quick disconnects for easy cleaning/moving. That's what I do. I didn't want to clutter my case so I have a 480 rad behind my TV. If you want to see an example I can take pics tomorrow.

but for good cpu temps, I'd recommend a thick 120 or a decent 240.
For the gpu, a single 120 would work fine for a gpu and for two, Maybe get thick 240 or a thinner 360 would work wonders. Remember that it's not just fin density but the thickness of rads. Some rads are twice the thickness of others and that's also something to look at. They mostly range between 25-50mm in thickness give or take a few mm on the extremely thins and thicks. So when I say thin/thick I mean the extremes 25/50mm thicknesses.

I used to run an i7 with two gtx 470's highly overclocked on a single 30fpi 480mm rad with push/pull R4's and temps were pretty good. (Not anymore after one of my 470's died) But the gpu's do dump a lot of heat into the loop, but they don't require very low water temps to keep them at very good temps unlike the cpu. The cpu cares more about water temps so if you don't want to worry about it, put the gpu's in their own seperate loop and the cpu in a different loop...though that may be difficult since it would require 2 pumps.

In the end, the gpu temps will be good no matter what, even with 3x120mm rad for your setup, but your cpu temps will suffer. If you want all that, I'd recommend just getting a large external radiator with quick disconnects as mentioned before.

EDIT: Also, if you want performance over noise, think about how much your current fans bother you at that rated dB because beyond that, they get louder very quickly, especially on a rad. Also some companies underrate and overrate their 'stats' so maybe find a youtube clip of some fan noises if possible to get an idea of the type of noise before you buy. You can't get a sense of the dB since you can change the volume on your speakers but it'll give you a good idea at the pitch and tone to see if that annoys you or not. Though remember that fans sound differently when attached to a rad/grill. I know you say that noise won't bother you unless it's extreme but I honestly don't recommend those 4k rpm fans unless you have an offsite system that's not in the same room as you because they will be VERY loud and there's little reason to lower the rpm on them because you lose that performance and those tiny fan blades are made to work with high rpms. At lower rpm's the tiny fan blades won't move any air so slowing them down with a fan controller is a bad idea on those. Just think of someone talking to you in their regular voice and imagine that in fan noise, that's a LOT louder than your current fans since those are barely at whisper volume.
Edited by Cha0s_Cha0 - 10/30/11 at 12:46am
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post #18 of 23
Thread Starter 
Thats actually something I really thought about. Its the reason why I went with this loop setup (Pump/RES, CPU, 120 Rad, GPU x2, 240 Rad, Pump/RES). I'm not a heavy overclocker and only overclock when I think I need to for whatever reason. My GPU's are at stock settings and if I do overclock, its just a little just because I was bored. The two HD 6870 I have can handle everything I can throw at them but they can get up to 75-80c which is bad to me. I could turn up the fans on them but man, I hate the noise. My CPU is at 4.0Ghz and I don't see the need to go higher at the moment, the only thing that can increase my PC speeds without serious overclocking is a SSD (waiting for the price to drop). But I agree with you about the issue with the CPU but I think with the loop going to the 240 rad then pump/res before goin to the CPU will help a lot. I have lots of fans and can easily go back to a push/pull but I'm wondering if getting higher airflow fans would be better. (?)

Once again, I really thank you for the help. I'm not new to computers at all but I'm going through the trial and error parts of watercooling. So I have lots of parts.

Quote:
Originally Posted by Cha0s_Cha0 View Post
If you dont HAVE to have the rads inside of the case, then have them externally with quick disconnects for easy cleaning/moving.
I prefer to have everything inside the case, don't really like the look of tubes, rads, and fans on the outside.
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post #19 of 23
Well that answers one of your questions. If you hate your gpu fans at max, then you're going to absolutely hate the 4k rpm fans lol. Fans beyond 2k rpm will only give minimal gains and the power draw + noise just isn't worth it. If you don't like external rads then you're kind of stuck with what you can fit unless you find more room somehow.

This is a bit far fetched but...is your side panel full of holes? and do you have a decent amount of room between the side panel and video cards? This is weird but, maybe it's possible to mount thin rads on the side panel with the side panel sandwiched between the fans and the rad? If the holes line up right, it may be possible to put two 360 rads on the side panel alone.
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post #20 of 23
Thread Starter 
Quote:
Originally Posted by Cha0s_Cha0 View Post
This is a bit far fetched but...is your side panel full of holes?
If I did that then I couldn't my goods. But I did think about that too.

This is what I'm going to go with, XSPC RS240 8 FPI with two push 120mm 70+ CFM fans and a XSPC RS120 8 FPI with push 120mm 70+ CFM fan. I want it to be clean and simple, also eye candy. I'm going to test it and see how it does but I feel pretty good about it since my CPU temps with the loop I have now (just the RS240) doesn't go over 35c max. So I guess it comes back to the original question, with this setup (XSPC RS240 8 FPI and XSPC RS120 8 FPI), is it better to push/pull or higher airflow? My quest after all this, higher airflow since the FPI is low.
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