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EVGA GTX 780 Hydrocopper - Classified - Is it enough?

post #1 of 7
Thread Starter 
Hello,

I am currently running my i7 3770k, single GTX 780 Hydrocopper Classified through my water cooling loop with 2x240 radiators (push&pull). I am thinking about adding another 780 to sli, is my water cooling loop sufficient to keep all 3 cool?

I am using the EK CoolStream XE 240 x2 with 8 fans. The EK D5 Dario pump. and EK Waterblock on CPU.

Thanks for any help!
Edited by stetran - 10/29/15 at 8:28am
post #2 of 7
It'll be fine until you crank the clocks/voltages up.

A good base would one 240 for each component. That may be overkill for stock clocked parts or memory and chip set cooling but for a CPU and GPU it's a good base.

Having push pull will help you but if you over clock things will warm up a bit for sure, nothing harmful I'm sure but performance limiting perhaps.

SS
post #3 of 7
Any idea wwha your water temperature gets too at full load?
That will give you an idea how much capacity you have in your rads.
post #4 of 7
While i only have only one GTX 780 Classy (on air) i've had 2 290X's on water, with a s1366 CPU, all cooled by 2x240mm rads. they worked very well, nothing over 70c even OCed. Plus one of my rads has only one set of fans.

If worse comes to worst, you can add a single 120mm rad somewhere else and that'd dump a lot of heat off the water. But i'd try that first. 480mm of rad can easily handle a CPU+2 GPU setups with ease.
   
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i865G Chronos
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post #5 of 7
Quote:
Originally Posted by Starbomba View Post

While i only have only one GTX 780 Classy (on air) i've had 2 290X's on water, with a s1366 CPU, all cooled by 2x240mm rads. they worked very well, nothing over 70c even OCed. Plus one of my rads has only one set of fans.

If worse comes to worst, you can add a single 120mm rad somewhere else and that'd dump a lot of heat off the water. But i'd try that first. 480mm of rad can easily handle a CPU+2 GPU setups with ease.

While 70c isn't high my max cpu temp on my latest 5960x at 4.7 with my 980Ti at 1519 is in the 60's with the gpu maxing at 40c when I'm at 1590 and benching. I have 2x360x55mm and 1x240x55mm .... the 240 is push and the 360's are in pull mode.

Run it and check yer temps .... you may find yer never over 50c but it's all gonna depend on yer clocks and the heat you generate.

If I run my rig at default speeds I never see over 35c in the loop.

SS
post #6 of 7
Thread Starter 
I'm running everything at stock at the moment, I haven't checked my temps since I got everything thing installed last time but i think it was around ~55C under load. I don't really have any plans to overclock anymore.

Thanks for all the responses

On a side note, any ideas which parts you need to connect up the GPUs for the water cooling? Been looking around, not 100% sure what I'll need. I am planning on just going from the top gpu straight into the bottom gpu .
post #7 of 7
Quote:
Originally Posted by stetran View Post

I'm running everything at stock at the moment, I haven't checked my temps since I got everything thing installed last time but i think it was around ~55C under load. I don't really have any plans to overclock anymore.

Thanks for all the responses

On a side note, any ideas which parts you need to connect up the GPUs for the water cooling? Been looking around, not 100% sure what I'll need. I am planning on just going from the top gpu straight into the bottom gpu .

I'm a huge fan of the EK bridges, personally. That also implies you have EK blocks, but you're using a hydrocopper, yes? May just have to do a short hose with some barb fittings. Can still look clean I think.
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Orly
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3770k - Delidded ASRock z77 extreme4 GTX 980 Ti Classified GTX 980 Ti Kingpin 
RAMHard DriveHard DriveHard Drive
16gb Samsung Wonder RAM @2400 11-10-11-28 Samsung 840 pro 256gb Seagate FireCuda 2TB HGST Deskstar NAS 5TB 
CoolingCoolingCoolingCooling
Apogee GTZ/MCP35X x2 in series/Koolance RP-401X2 EK-FC 780 GTX Classy - Acetal+Nickel+Backplate HWLabs Nemesis 360GTX EK-FC980 GTX Ti Classy KPE - Nickel 
CoolingOSMonitorMonitor
HWLabs SR2 240mm MP Win10x64 Asus PG279Q Dell U2414h 
MonitorKeyboardPowerCase
Dell U2414h Ducky Shine 3 Orange LED Cherry MX Red Corsair ax860i w/red sleeved power cables Corsair Obsidian 800D w/bottom rad mod 
MouseMouse PadAudio
Roccat Kone XTD Roccat Alumic Creative X-FI Titanium HD 
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i5 3570k Asrock z77 extreme4 GTX 680 (flashed to 770) 2x4GB gskill ddr3 1866 
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Samsung 960 PRO Series - 512GB WD Black - 4TB DEEPCOOL CAPTAIN 360 Gaming in Red Corsair ML140 Pro in Red 
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Corsair ML120 Pro in Red Windows 10 x64 Pro ASUS ROG SWIFT PG279Q HyperX Alloy FPS Mechanical 
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