Originally Posted by Los Hog
No I dont think the pump will handle three GPU's and a cpu. two gpu and a cpu yes if done right. I know it would work because I saw wermad do it in his 800D build. but not three I think you would need a stronger pump like a 655
I agree with Los--I would build a loop to fit your exact needs, especially with running three cards.
Also, I don't believe 360mm is enough Rad, especially if you're overclocking--remember, the more rad you have, the more surface area you have for your fans to wick away heat from the overclocked components. I know I may have employed a bit of overkill for my system, but I am running two 240mm rads and I just have a GPU and CPU in my loop, although I did plan on expanding to a second GPU when I built it. But what I am trying to say is that my loop is tailored to my components, and future ones, it wasn't preboxed--it's something that will work for my system now, _and_ later.
Also, I don't believe 360mm is enough Rad, especially if you're overclocking--remember, the more rad you have, the more surface area you have for your fans to wick away heat from the overclocked components. A CPU and three GPUs put out a lot of heat, you need more surface area for your fans to wick it away from the rads.
Also, I like that Los said 'if done right,' because if you are going to try and get away with minimum rad (or you simply don't have room for more) you need to start being as efficient as possible, which in my opinion, means you _need_ to go custom on your loop. Choosing the right radiators, and then choosing the best fans _for_ those radiators; choosing the best pump(s) that is/are able to push through the restriction of your chosen rads and blocks; and, choosing the best/minimal tube routes, etc...
If I were you, I would start looking around the forums at what others have done with similar builds to get a feel for what 'works.' Then, when you have an idea of what you need, I would make a thread with a proposed loop and get some advice from people who have built similar setups and let their experience and previously spent $$ help you refine what you've got, which will more than likely result in some changes to your prospect build, saving you some headache and $$ down the road.
This would be my best advice for getting a price-point for what you're looking at spending if you choose to go under water--without knowing what products you're going to need/use, you really don't have a true way of knowing what it is going to cost. Have fun! This is an exciting part of building a loop!Edited by svthomas - 1/11/12 at 11:05am