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Looking at going 680, suggestions on best model/best water block

post #1 of 6
Thread Starter 
Ok, so I have 2 lightning xtremes right now but Ive begun considering moving to 680s. Dont get me wrong these are probably my favorite video cards ever but I'm considering moving up- mostly because I really want to water cool and its a shame they never released a full block for the L.E.'s. What would be the best 680 model that has the best full cover block to go with? I really like the direct CU2 top edition because of 2 things: Seems extremely easy to remove the entire cooler, and in case I wanted to stay air cooling for whatever reason the stock cooler seems pretty legit. Any thoughts? What would be the best water block to go with and If I add a block to the graphics card, will that severely reduce the efficiency of my current loop?

Current loop:
xspc rasa rs240 with just the cpu in the loop

Should I definitely consider a more powerful pump and adding an additional 120mm/140mm rad for extra cooling ability? I have an obisidian 800d so space isnt an issue. I will be coming onto some cash in the next few months and have considered going with the 360mm rad raystorm kit and adding an additional 140mm rad, along with cooling the graphics card. Think its worth it?
Edited by guitarmageddon88 - 6/12/12 at 12:49pm
post #2 of 6
I've got a single voltage unlocked DC II 680 and currently using just a universal block on it, Swiftech MCW82. It's working beautifully, core temps never really pass 40C. On the other hand, without the DC II heatsink, VRM cooling will suffer, because they only have a small heatsink attached to them. On top of that, the VRAM has NOTHING on it, heatsink or plate. Guess that also relies on blow by air from the DC II heatsink. What I did for now was zip tie a 3000 rpm fan directly over the VRM heatsink, next to the water block. VRM temps went from 90C loads, to about 50C. Loud though.

The only full cover available right now is from EK, and it's fugly lol. Not really a huge deal, but it's modeled on their new design.

As for your loop, I'd definitely add another radiator. Two 680's and a CPU and you'll ideally want total rad space of 480 minimum. I have 600 right now with an RX360 and an RX240, overkill but I can add on to this and temps won't budge much. You'll need more than an RS240, definitely.
post #3 of 6
post #4 of 6
Thread Starter 
Quote:
Originally Posted by xxmastermindxx View Post

I've got a single voltage unlocked DC II 680 and currently using just a universal block on it, Swiftech MCW82. It's working beautifully, core temps never really pass 40C. On the other hand, without the DC II heatsink, VRM cooling will suffer, because they only have a small heatsink attached to them. On top of that, the VRAM has NOTHING on it, heatsink or plate. Guess that also relies on blow by air from the DC II heatsink. What I did for now was zip tie a 3000 rpm fan directly over the VRM heatsink, next to the water block. VRM temps went from 90C loads, to about 50C. Loud though.
The only full cover available right now is from EK, and it's fugly lol. Not really a huge deal, but it's modeled on their new design.
As for your loop, I'd definitely add another radiator. Two 680's and a CPU and you'll ideally want total rad space of 480 minimum. I have 600 right now with an RX360 and an RX240, overkill but I can add on to this and temps won't budge much. You'll need more than an RS240, definitely.

Yea I dont want to be one of those dudes that only cools the GPU and has to rig fans and stuff all over the place to cool the rest of the card it seems counterproductive.
post #5 of 6
You will need at least a 360 radiator. Koolance makes nice looking blocks for the GTX 680. I had Koolance full blocks on my GTX 580's and they were great performers and had no Nickel plating issues.

http://koolance.com/index.php?route=product/product&product_id=2039
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Captain Crunch
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post #6 of 6
Thread Starter 
Quote:
Originally Posted by Desert Rat View Post

You will need at least a 360 radiator. Koolance makes nice looking blocks for the GTX 680. I had Koolance full blocks on my GTX 580's and they were great performers and had no Nickel plating issues.
http://koolance.com/index.php?route=product/product&product_id=2039

And that covers all the crucial components on the card? I could've sworn ive seen GPU blocks before that have 2 sides that sandwich t he PCB between, or was I just mistaken?
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