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Thread: 240 radiator for 4890 crossfire?

  1. #1
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    240 radiator for 4890 crossfire?

    I'm still in the planing stage on my current build.
    And I could use some input.
    I have decided on using 2 loops internally.
    One Will be a phobya 480 radiator to cool My q9550@4ghz and the NB.
    And i'm thinking of using a 240 radiator to cool my 2 4890s in crossfire.
    Now I'm wondering if thats enough? Or should I swap and use the phobya 480 for the gpu's and the 240 for the CPU and NB?
    I could fit a 280 radiator internally but that would require some case modding.

    I'm building everything internally using a thermaltake Mozart TX.

    My main question is can s single 240 cool 2 4890's or is a single 240 enough to cool ├:banana: q9550 and NB?

    /Santzia

  2. #2
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    240 rad is for CPU+NB.
    480 rad is for CF 4890.

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  3. #3
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    Well I am running a 920, N/B, 2 x eK FB (4890CF) setup. With 2 x XSPC 240 rads in one loop. The GPU's are staying very cool, but the CPU and N/B seem to get hot on max loads. I think two separate loops will be better. I seen a couple of reviews on the 280 rads, they are close to the 360 rads. If you can use 2 x 280 rads one for CPU+NB, then other for 2xGPUs etc..
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  4. #4
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    A 240 rad will be more than enough for 2 4890s.
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  5. #5
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    what fans will you use ?
    id do this :
    240= cpu only
    480= gpu's + chipset

  6. #6
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    I am going to use either noctua or fractal design fan as I already have 6 of each.
    Thinking of using the noctuas on the radiators and the fractaldesign inside the case it self. The fractaldesign fans are Quiet but they don't push alot of air.

    /Santzia

  7. #7
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    I have three 240 SP nvidia cards on a single 240 and load temps only get up to ~55C, and yes, they're OC'd.
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  8. #8
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    the 240 will be plenty for 4890 cf.

  9. #9
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    I agree with InCredible, I've got a single 240 on a pair of 4850x2's with NO issues @ all...
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  10. #10
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    Thank you all for the input. Just got 2 ek full cover blocks for 4890 delivered by the nice postman today.

    Damn these are some sexy blocks. Can't wait to se how they perform..

    /Santzia

  11. #11
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    Ok small update. I ended up spending some more money on this rig.
    I thought that if i am going to be spending so much money I might aswell spend some more and bought a new I7-920, Evga X58SLI LE board 6gb Corsair Dominator.

    And I ended up going with a BlackIce 360 Stealth to cool the 2 gpu┬┤s.
    I measured some and noticed that if I cut out a 2cmx3cm piece of metal from the Mozart TX that I could fit the BlackIce stealth 360 Xflow and the phobya 420 inside the case. Another upside of this is that I will have all but 1 of my 5.25" bays intact. Instead of having a 240 radiator blocking them all.

    Its going to be tight. I need to use a 12 or 20mm fan in the middle of the 360 as I otherwise would only get 1cm clearing betwen the fan and the 4890's.
    2cm shoud be enough for the powerconnectors don┬┤t you all think?

    So its going to be 2 noctua 120mm and 1 scythe 120mmx12mm fan on the 360cooling 2 asus 4890┬┤s @ 1ghz.
    And then 4 Noctua┬┤s on the Phobya 420 square for my new i7 920 and EK fullcover block for the x58 SLi LE
    I should be getting som good temp┬┤s atleast I┬┤m hoping.
    I get my paycheck monday and then I will order all the parts. Hoping to have this built by december 5:th as I have dec 1-5th off from work.

    Any thoughts?

    / Santzia

  12. #12
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    your temps should be good..i have a mcr320 on my 4870x2 at 850 core and i7 920 at 4.4ghz on the sli le board and everythings good so far(kinda high temps on the cpu side but my ambient is also higher then usual)..im also looking forward to getting the Ek block for the board..it sure is sexy...get some pics
    Last edited by InCredible; 11-16-2009 at 05:23 PM.

  13. #13
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    Pics plz ?

  14. #14
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    I will post pictures in a build log. I have just sent my case to be powdercoated.
    And I`m ordering the last parts on monday when I get payed.

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