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Watercooled 780s

post #1 of 31
Thread Starter 
So in my upcoming build I wanted to water cool a GTX 780, but being my first time with it I'm hesitant, done a lot of research and then saw the Thermaltake Bigwater 760 Pro and decided that would be the way to go... Now I'm second guessing myself as I've yet to see it actually used, by anyone. It seems like a decent idea, however an all in one 2 x 5.25" drive bay solution just might not work well? I don't know, which is why I'm here.

Any thoughts, suggestions, comments? Would I be better off going with a normal rad, res, pump setup over something like the Bigwater?

GPU: EVGA GeForce GTX 780 Dual Classified Hydro Copper (03G-P4-3789-KR).

Pump / Rad / Res: Thermaltake Bigwater 760 Pro (CLW0220) Water Cooler.

Tubing: PrimoFlex Advanced LRT 3/8in. x 5/8in. Tubing (10ft pack) - Bloodshed Red.

Silver: IandH Silver KillCoils - Antimicrobial .999 Fine Silver Tubing / Reservoir Strip.

Coolant: Distilled Water.

In the future I plan to SLI, I kind of wanted to keep them in their own loops. For some reason my brain hates the idea of multiple components ran in the same loop, transferring heat from one component to the next... I'm sure the transfer is minimal, but why not avoid it if possible?
post #2 of 31
i would stear clear from the thermal take. it looks like it recirculates a lot of air.

alos your going to need a lot more rad
post #3 of 31
It's not a good performer anyway so ... whether you are a beginner or not get a proper loop. Don't make excuses for yourself wink.gif
When you end up having more problems is the day you will regret going down this road tongue.gif
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post #4 of 31
Yea rad looks small, doubt it will perform much better then an H100i would....not really sufficient for a 780 GTX.

My pair of 660TI cards, WC'd on a closed loop using 2x 360mm rads is barely enough. I keep the fans on idle, water temp gets to like 38C when I game, but the cards stay a nice 41C.
post #5 of 31
Quote:
Originally Posted by JacekRing View Post

Yea rad looks small, doubt it will perform much better then an H100i would....not really sufficient for a 780 GTX.

My pair of 660TI cards, WC'd on a closed loop using 2x 360mm rads is barely enough. I keep the fans on idle, water temp gets to like 38C when I game, but the cards stay a nice 41C.
Sounds like you have a heat dissipation problem, what are your fans?
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post #6 of 31
something LIKE this is going to be way better and is upgrade-able and expandable. what case are you running?

http://www.frozencpu.com/products/21236/ex-wat-271/XSPC_Raystorm_750_EX360_Extreme_Universal_CPU_Water_Cooling_Kit_New_Rev_4_Pump_Included_w_Free_Dead-Water.html?tl=g30&id=DujMi27U

i noticed you want to run classifieds are you going to be overclocking?
Edited by cameron145 - 9/26/13 at 10:33pm
post #7 of 31
Thread Starter 
Case is a CoolerMaster HAF 932 Advanced. I MIGHT (big might) be able to fit the 3x radiator.

Yes to the overclocking the 780's.

Was planning to cool the CPU ( i7 4770k) with an H100i as I have it on-hand. Yes, I plan on overclocking this as well. I have a push/pull using 4 x CoolerMaster Jetflo 120.

Fan cooling setup:

Intake
Front: BitFenix Spectre Pro LED 148.7 CFM 200 mm
Side: 4 x JetFlo 120 mm fans 95 CFM each = 380.00 CFM
Bottom: Phobya 120 mm x 15 mm G-Silent 12 Slim Edition 1800 RPM / 57.98 CFM
Total = 586.70 CFM

Exhaust
Rear: Prolimatech Aluminum Vortex Series 140 mm x 25 mm Red LED ( 1600 RPM / 127 CFM)
Top: 5 x JetFlo 120 mm fans 4 x on the H100i radiator for push / pull and 1 more JetFlo not on the rad at 95 CFM each. 3 x 95 CFM = 285 CFM.
Total = 412 CFM
Edited by theonelonewolf - 9/26/13 at 11:53pm
post #8 of 31
Without considering static pressure at all ... and besides, how in the world have you got 127CFM without it being really loud?
*
Edited by DaveLT - 9/26/13 at 11:32pm
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Ayase Eli
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post #9 of 31
Thread Starter 
They will be loud.

I had considered the static pressure of the fan at 2.72 mmH2O ± 10% but I am new to this... have I made a mistake in my fan choice? I don't mind that it will be loud.

Sorry I had deleted the fan setup showing CFM #s and positive pressure, I've edited it back in now showing the fans I'll be placing where.

I will look into the Raystorm 750 EX360 and whether I can get it to fit. I think I would have to put the 3x Raystorm rad up top and the 2x H100i rad in the front (if it will fit... I'll go see in a bit).

Really appreciate the help and suggestions so far. biggrin.gif
Edited by theonelonewolf - 9/26/13 at 11:54pm
post #10 of 31
Every single fan you listed are really overrated garbage fans, basically. No offense but it is
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Ayase Eli
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