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Two 2x120 enough for an w3670 (970) @ 4.4ghz?

post #1 of 9
Thread Starter 
Hi,

As the title suggests, I would like to know if 2x 120x2 rads will be enough to cool a w3670 (i7 970 counterpart) @ 4.4ghz 24/7 under load in a CM 690ii with a rad top and bottom. Cooling CPU only. I am hoping for temps in the 60C range.

I am planning on getting the XSPC RS240 kit, and will be purchasing another rs240 to go with it. All fans will be in a pull config. between 1000-1200 rpm.

The applications used for these machines is Autodesk Maya 2011 and Vray, they will be 100% used for 3D rendering tasks under load 24/7.

Some more questions:

1) Will motherboard temperatures be an issue? From what I understand it depends on how much voltage the CPU is running on. Motherboard I will be using is the Asus P6x58d-e. Do you recommend using a mosfet block?

2) Will the XSPC bay pump/res suffice for this config?

3) Is it an issue for the PSU if the bottom radiator is pushing air under the case? Would you recommend putting the intake up top because of this?

4) Will swapping out the fans make a noticeable difference using the same rpm? From what I hear the gentle typhoons are great.

5) Ram I will be using are the Ripjaws 3x4 gb cl 9 1.5 volt modules. Do you recommend me getting better ram if I am to be clocked at 4.4ghz?

Thank you for reading my post. Suggestions welcome.

Authie
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post #2 of 9
Yes a RX 240 or 2 RS 240s is enough for 1 cpu. If you wanna pick up a 2nd rad try the MCR 220's they have been showing very good results at all speeds.

1.) Mobo temps shouldn't be an issue I run a 930 @ 4.3 and I don't use mosfet blocks.

2.) The pump/bay combo the RASA kits come with are good specially for a CPU only Build.

3.) Not sure Depends on how much Heat it throws off.

4.) GTs are good fans the ones that come with the kit are good as well the choice is up to you. You can pick up a set of GT's and run them if you dont like the Fans that come with the kit.

5.) I think ram should be ok.
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post #3 of 9
Thread Starter 
Quote:
Originally Posted by Arksniper View Post
Yes a RX 240 or 2 RS 240s is enough for 1 cpu. If you wanna pick up a 2nd rad try the MCR 220's they have been showing very good results at all speeds.

1.) Mobo temps shouldn't be an issue I run a 930 @ 4.3 and I don't use mosfet blocks.

2.) The pump/bay combo the RASA kits come with are good specially for a CPU only Build.

3.) Not sure Depends on how much Heat it throws off.

4.) GTs are good fans the ones that come with the kit are good as well the choice is up to you. You can pick up a set of GT's and run them if you dont like the Fans that come with the kit.

5.) I think ram should be ok.
Thank you for your indepth reply +Rep.

Does a RX240 push/pull with low rpm really yield similar results as 2x RS120? Also, I am considering the Haf 932 as well, the only down side I see is that the front intake does not have a dust filter. Does the black edition have one?

Thanks for the info about the MCR220, is there any performance difference between the MCR220 QP and QPK?
Edited by Authie - 3/14/11 at 6:52pm
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post #4 of 9
Not sure about the X version. If you go with the HAF get a RX 360 it fits nicely in the top of the case. And with it i got my 930 up 4.3 with mid 60c temps with a non oced 5970 when im just folding when I game and OC my 5970 temps approach 70c but never higher than 73c. The dust filters are meh imo. Pretty sure you can buy the filters and install them yourself. The 932 is an extremely roomy case and with some small mods you can even cram a thick rad in the bottom. Not sure on how 2 120s fare vs 1 240.
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post #5 of 9
i can tell you its very unlikely you will get temps loading at 60c no matter what radiator you use. I started out with the rs240 kit and temps were in the low 70's in ibt now i have a RX360 and load at about 60ish. i would assume your chip will run hotter at 4.4 than mine so i would expect at least loads of 65-67C. I have an extra rs240 laying around if you are interested in great shape.
    
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post #6 of 9
Thread Starter 
Quote:
Originally Posted by Arksniper View Post
Not sure about the X version. If you go with the HAF get a RX 360 it fits nicely in the top of the case. And with it i got my 930 up 4.3 with mid 60c temps with a non oced 5970 when im just folding when I game and OC my 5970 temps approach 70c but never higher than 73c. The dust filters are meh imo. Pretty sure you can buy the filters and install them yourself. The 932 is an extremely roomy case and with some small mods you can even cram a thick rad in the bottom. Not sure on how 2 120s fare vs 1 240.
Sorry, the x version thing was a typo. What I meant was if a single RX240 push/pull compares to 2x RS240's. Ignore that though because I'm more interested how a single RX360 push/pull fares against two RS240's on pull. I can't fit an RX240 in the CM 690 unfortunately. I don't think you can buy those filters for 230mm fans but I will keep searching.

Thanks again for your input.
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post #7 of 9
a rx360 in push/pull is VERY thick so keep that in mind. I cant even have it in push pull in my 700D.
    
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post #8 of 9
A rx 360 in push/pull should out perform 2 RS 240's in pull. I don't have any data to back that claim up but I am pretty confident. But 2 RS 240s in push/pull should be on par.
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post #9 of 9
Thread Starter 
Quote:
Originally Posted by microman View Post
i can tell you its very unlikely you will get temps loading at 60c no matter what radiator you use. I started out with the rs240 kit and temps were in the low 70's in ibt now i have a RX360 and load at about 60ish. i would assume your chip will run hotter at 4.4 than mine so i would expect at least loads of 65-67C. I have an extra rs240 laying around if you are interested in great shape.
Saw a guy topping out at 59C using a w3670 @4.6 in prime 95 but I checked and he is using a chiller. Ah well there goes my expected temps out the window . I'd gladly buy that spare rs240 but I live in Europe so I'm not sure if it's worth it. Thanks for your input.

Quote:
Originally Posted by Arksniper View Post
A rx 360 in push/pull should out perform 2 RS 240's in pull. I don't have any data to back that claim up but I am pretty confident. But 2 RS 240s in push/pull should be on par.
If the 700/800D can't support the RX360 in push pull I doubt the HAF932 supports it. Interesting though, I was not aware that thicker rads make that much difference. I assume that fan rpm would have to be higher using a push/pull config. in order to beat 2x RS240's in pull though.

Edit: I just saw that you can do push/pull for the lower RS240 rad on the bottom without it being higher than the 140mm intake fan in the 690ii. Nice!
Edited by Authie - 3/14/11 at 7:23pm
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