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Watercooling i7 and 480 tri sli help

Discussion in 'Overclocking & Cooling' started by tenikis, 7 Jun 2010.

  1. tenikis


    Joined: 5 Jun 2010

    Posts: 104

    Was wondering peoples opinions on what would be best for a build im working on.

    Basically its rampage 3 - i7 2.8 - 6gig dominator - 3x 480 gtx - 1200w psu - all in a 700d case.

    The cpu I would like to take to 4ghz+, and im not really that bothered about clocking the 480s, I just want them a bit cooler and a bit quieter :)

    I would like to keep everything inside the case so my first idea was two loops.....cpu+chipset first loop, 3x 480s second loop.

    first loop would be a 360 rad on the top of the case, second loop would be a 240 rad on the bottom of the case. I could do it the other way around but as I mentioned I am more interested in clocking the cpu than the graphics cards.

    Other option could be a single loop with the two rads, one before the cpu/chipset, 2nd rad before the gpus but I thinking this will give overall higher temps?

    Any other suggestions / opinions? Is a 240 rad enough to cool 3x 480s safely ?


  2. layte

    Wise Guy

    Joined: 14 Jun 2008

    Posts: 2,352

  3. rjk


    Joined: 8 Aug 2007

    Posts: 25,326

    you will need at least a double rad on the i7 for 4ghz+

    and at least a triple high fpi rad on the cards.

    make sure you have a good cooling solution for the board too, the rampage 3 chipset cooling is far from great

    the cards will have to be on a high flow loop and you may need a better psu.

    i have ran tri sli on a 1200w be quiet and it just scraped it.
  4. tenikis


    Joined: 5 Jun 2010

    Posts: 104

    Cool, thanks for info.

    Yea, the psu is the be quiet 1200 so hopefully thats enough but if not what would you recommend?

    For the rampage 3 Ill put on the EK chipset block.

    Options for rads? Was looking at thermochill or XSPC, maybe Feser?

    thanks again,

  5. fatlenny


    Joined: 20 Jan 2010

    Posts: 163

    I have 2 x 480 in sli running off a thermochill 360 rad and a 655 pump with ek blocks.

    Now im waiting on 2 sensors to attach to the in/out of the rad so I can get a temp differencial after the 480's and after the rad so I can work out the best pump and fan speed will update when installed.

    What I can say is that on pump speed 3 on the 655 and with 3 NZXT fans at full rpm the 480's get to about 53 on BC2 1920 x 1080 with a secound monitor attached as well.

    With the build had to drill one extra hole for the flow into the first 480.
    I also managed to get the 655 pump which is big into the extra hd bay at the bottom and i can adjust the pump speed from the front.


    If I can help just ask.