What case are you using? MSI's custom non-reference boards tend to cool better, but ends up spreading heat all around the case. Thus having a nice, well ventilated case helps a lot when it comes to these kinds of cards. More exhaust case fans will do the trick, and an after market cpu cooler would help immensely since the 2500k stock cpu cooler also just pushes air all around the case. Assuming you want an air cooler, here are some options: Cheap: Coolermaster Hyper 212+ w/extra Fan (about 30 USD) Moderate: Coolermaster V6 GT (about 50-60 USD) Balla: Noctua D14 (About 80-90 USD)
The 650D doesn't have that many options to add fans since the side panels don't have any holes for them. What I would do is swap out the upper 200mm fan with 2x 140mm fans with a relatively high CFM rating. This should help exhaust alot of the standing heat from your custom non-reference SLIed 580's. I would then also add a CPU cooler from the list I wrote above. As for water cooling, I'm not really qualified to answer that question since I've never had a watercooling setup. I do know that if you were to pursue this route, you would need to modify (read: completely take apart) your sli 580's and add in custom water block hardware. Likewise for your CPU. The radiator would go where the top 200mm fan now resides. However, IMO unless you're doing some crazy exhibitionist overclocking, water cooling isn't really necessary. I have a 2500k with a coolermaster v6 gt cooler (set at a fixed 25% fan speed) and a msi lightning 6970 in a well ventiliated case. My cpu temps never go past 47c (remember, at 25% fan speed from the cooler) and my 6970 never goes past 64c.
[QUOTE="ndawgdrake"]The 650D doesn't have that many options to add fans since the side panels don't have any holes for them. What I would do is swap out the upper 200mm fan with 2x 140mm fans with a relatively high CFM rating. This should help exhaust alot of the standing heat from your custom non-reference SLIed 580's. I would then also add a CPU cooler from the list I wrote above. As for water cooling, I'm not really qualified to answer that question since I've never had a watercooling setup. I do know that if you were to pursue this route, you would need to modify (read: completely take apart) your sli 580's and add in custom water block hardware. Likewise for your CPU. The radiator would go where the top 200mm fan now resides. However, IMO unless you're doing some crazy exhibitionist overclocking, water cooling isn't really necessary. I have a 2500k with a coolermaster v6 gt cooler (set at a fixed 25% fan speed) and a msi lightning 6970 in a well ventiliated case. My cpu temps never go past 47c (remember, at 25% fan speed from the cooler) and my 6970 never goes past 64c. Wow, never going past 64! My nvidia hit 71 after 4 hours of battlefield on ultra. Wanna get it to at least 65. 64 would be phenomenal
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