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post #11 of 30
Another site that might be useful: http://www.choosemypc.net/wcguide/
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post #12 of 30
Thread Starter 
So, I've read through most of the material you have provided, and watched the LinusTechTips videos (which I really enjoyed - love watching that guy). I think I have a better understanding now of what all is involved when it comes to the water cooling planning/purchasing/building/maintenance process.

So, my interpretation could be wrong, but it seems the general rule of thumb is that you need to have at least 120mm worth of radiator per unit being cooled. So for the 3 GPUs, I would at least need a 360mm rad and then a separate rad(maybe entire loop) for the cpu. Honestly, I'm not sure if isolating the CPU in its own loop would be better or not.

I did stumble upon this thread i7-4770k - GTX 780 Ti SLI - Corsair 750D - Custom Liquid Cooling . This looks to be a pretty awesome water cooling setup; all the parts are listed, and there is detailed documentation of the entire process. I would almost feel confident following the steps that were taken for his build.

I'm no water cooling guru, but the loop system he used seems to pretty cool:

360mm rad at the top with a 280mm rad in the front.
used a pretty cool pump/res combo.

I wonder if this would have enough horsepower to push through 1 more GPU? I'm sure it would right?smile.gif



(image was taken directly from brandon6199's thread)
post #13 of 30
Quote:
Originally Posted by Oklahomie View Post

So, I've read through most of the material you have provided, and watched the LinusTechTips videos (which I really enjoyed - love watching that guy). I think I have a better understanding now of what all is involved when it comes to the water cooling planning/purchasing/building/maintenance process.

So, my interpretation could be wrong, but it seems the general rule of thumb is that you need to have at least 120mm worth of radiator per unit being cooled. So for the 3 GPUs, I would at least need a 360mm rad and then a separate rad(maybe entire loop) for the cpu. Honestly, I'm not sure if isolating the CPU in its own loop would be better or not.

I did stumble upon this thread i7-4770k - GTX 780 Ti SLI - Corsair 750D - Custom Liquid Cooling . This looks to be a pretty awesome water cooling setup; all the parts are listed, and there is detailed documentation of the entire process. I would almost feel confident following the steps that were taken for his build.

I'm no water cooling guru, but the loop system he used seems to pretty cool:

360mm rad at the top with a 280mm rad in the front.
used a pretty cool pump/res combo.

I wonder if this would have enough horsepower to push through 1 more GPU? I'm sure it would right?smile.gif



(image was taken directly from brandon6199's thread)

That is a nice rig... nice build. If that is similar to what you are wanting...then go for it. There are a lot of build logs here and elsewhere with some great ideas. In my opinion, you can never have too much cooling... want to keep those temps as close to ambient as possible.

780Ti's are around 260-300 watts each depending on whether you overclock, etc. I don't know that I would feel comfortable with a single 360 (depending on thickness and what fans are used) for three 780Ti's... but I like to do overkill, lol! The build in my sig is really my first multi-rad loop... so I am hardly an expert on this. Ask some of the guys with gazillion's of posts who have been here since the stone age, lol!
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post #14 of 30
Thread Starter 
Quote:
Originally Posted by cgipson1 View Post

That is a nice rig... nice build. If that is similar to what you are wanting...then go for it. There are a lot of build logs here and elsewhere with some great ideas. In my opinion, you can never have too much cooling... want to keep those temps as close to ambient as possible.

780Ti's are around 260-300 watts each depending on whether you overclock, etc. I don't know that I would feel comfortable with a single 360 (depending on thickness and what fans are used) for three 780Ti's... but I like to do overkill, lol! The build in my sig is really my first multi-rad loop... so I am hardly an expert on this. Ask some of the guys with gazillion's of posts who have been here since the stone age, lol!

So given the setup - 1 CPU and 3 GPUs, what would be the ideal water cooling solution? I think anything bigger than one 360 rad and one 280mm rad will require a bigger case than the 760T i have in mind. Could you plot out what your ideal solution would be given my scenario? You have more experience than I do with this stuff anyways biggrin.gif
post #15 of 30
Thread Starter 
Here is a very similar build that uses X2 360mm radiators. The flow throughout the system is pretty much the same, and reservoir placement is almost identical.



Image taken from JLMS2010's build thread - which can be found here.
post #16 of 30
Quote:
Originally Posted by Oklahomie View Post

So given the setup - 1 CPU and 3 GPUs, what would be the ideal water cooling solution? I think anything bigger than one 360 rad and one 280mm rad will require a bigger case than the 760T i have in mind. Could you plot out what your ideal solution would be given my scenario? You have more experience than I do with this stuff anyways biggrin.gif

That is a sweet looking case... love the window! If you can go to thicker rads (45's or 60's... even 80mm monsta's) that would probably cover you. But need to check fitment in that case first.

Push Pull config will give you the best efficiency... as well as using higher RPM fans with a high static pressure. Watch which radiators you use... the FPI (fins per Inch) can be either restrictive (requiring higher RPM=Noise) or lower FPI... lets you move air better, but have a reduced surface area for cooling. I have used the Black Ice SR1, and currently have AlphaCool NexXxos rads... I like them. Would recommend copper rads over aluminum.. better heat conductivity.

Check out MartinsLiquidLabs for some of his thoughts on radiators... http://martinsliquidlab.org/ - a lot of good info.
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post #17 of 30
Thread Starter 
Quote:
Originally Posted by cgipson1 View Post

That is a sweet looking case... love the window! If you can go to thicker rads (45's or 60's... even 80mm monsta's) that would probably cover you. But need to check fitment in that case first.

Push Pull config will give you the best efficiency... as well as using higher RPM fans with a high static pressure. Watch which radiators you use... the FPI (fins per Inch) can be either restrictive (requiring higher RPM=Noise) or lower FPI... lets you move air better, but have a reduced surface area for cooling. I have used the Black Ice SR1, and currently have AlphaCool NexXxos rads... I like them. Would recommend copper rads over aluminum.. better heat conductivity.

Check out MartinsLiquidLabs for some of his thoughts on radiators... http://martinsliquidlab.org/ - a lot of good info.

Yeah that could probably work out - using thicker rads and keeping the 1x360 and 1x280 rad design. I probably wouldn't deviate too much from the design in the first layout I linked; I think that would fit my needs quite well. Corsair boasts on their site that the 760T can handle a 360 rad on the top and a 280 in the front; now I'm sure with a little modification, there could be room made for a 360 in the front if I really wanted to make it happen smile.gif .

If I have the time/energy tonight, I'll try and create a little list of parts and associated prices of what I think I might need, then hopefully y'all can provide awesome feedback as usual.

OR if someone was so kind, knowing the case, components, and setup I'm going to have, they could build me a shopping cart thumbsupsmiley.png
post #18 of 30
Thread Starter 
So, I've done a little homework and have gathered what I think might be a complete (maybe?) water cooling shopping cart:

  • GPU Blocks (x3): 780 Ti Classified) VGA Liquid Cooling Block - Nickel
    Link To GPU Block
    $359.97
  • GPU Backplates - Do I need these?:
    http://www.evga.com/products/Product.aspx?pn=100-BP-2888-B9
    $?
  • CPU Block: EK Supremacy Universal CPU Liquid Cooling Block - Clean Plexi (EK-Supremacy Clean CSQ)
    Link To CPU Block
    $72.99
  • Resovoir/Pump Combo: XSPC D5 Photon 270 Reservoir/ D5 Vario Pump Combo
    http://www.amazon.com/XSPC-Photon-Reservoir-Vario-Combo/dp/B00FJHFREI
    $159.99
  • 360mm RAD: Alphacool NexXxoS UT60 Full Copper Triple 120mm Radiator
    Link To Radiator
    $99.99
  • 280mm RAD: Alphacool NexXxoS UT60 Full Copper Dual 140mm Radiator
    Link To Radiator
    $76.99
  • Triple SLI Bridge: EK FC Bridge Triple Parallel Z77 CSQ - SLI Connection (EK-FC Bridge TRIPLE Parallel Z77 CSQ)
    Link To SLI Bridge
    $26.99
  • Tubing: PrimoChill PrimoFlex Advanced LRT Tubing 1/2"ID x 3/4" OD - 10ft Retail Pack - Clear (PFLEXA10-34)
    Link To Tubing
    $25.99
  • Compression Fitting (x4): Bitspower G1/4 Thread 1/2" ID x 3/4" OD Compression Fitting - Matte Black (BP-MBCPF-CC5)
    Link To Fittings
    $37.96
  • 45 Degree Compression Fitting (X5): Bitspower G1/4 Thread 1/2" ID x 3/4" OD 45-Degree Dual Rotary Compression Fitting - Matte Black (BP-MB45R2CPF-CC5)
    Link To Fittings
    $84.95
  • 90 Degree Compression Fitting (x2): Bitspower G1/4 Thread 1/2" ID x 3/4" OD 90-Degree Rotary Compression Fitting - Matte Black (BP-MB90R2LCPF-CC5)
    Link To Fittings
    $35.98


    Total: $840.76


I think I covered the high points, with the exception of the backplates (honestly, I'm not sure which ones I needed; there wasn't a clear definitive answer that I could find on that).
Edited by Oklahomie - 3/8/14 at 10:18am
post #19 of 30
The backplates will typically drop temp 2 or 3 C on aircooled GPUS... and will probably help on WC GPU's too. I bought them more for the "pretty" than the cooling. I was running EVGA Backplates on some aircooled 780's and they did help.

The rest looks pretty good... and should work well for you.

The only thing I would consider changing out would be the EK terminal... might want to go serial instead of parallel. As it was explained to me (basic physics)... since you will have your coolant going off iin three divergent routes with parallel, your coolant pressure is reduced to a third per GPU block also.. which reduces the flow to 1/3 also. Parallel is what I originally wanted to do.. but decided to go serial instead. The head pressure on the D5 is pretty good.. but not when you divide it by 3.

Does that make sense?

Also... double check your block choices with your hardware... here: http://www.coolingconfigurator.com/ Especially check that Serial / Parallel Bridge...

Also try to make sure those 60mm rads will work with that case you want!
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INtel 4770k ASUS maximus extreme VI  EVGA GTX 780Ti SC  EVGA GTX 780Ti SC 
GraphicsRAMHard DriveHard Drive
EVGA GTX 780Ti SC Kingston HyperX Beast 32 GB Kit (4x8 GB) 2400MH... Western Digital 2tb Enterprise Samsung 840 Pro SSD 256GB 
Optical DriveCoolingCoolingCooling
Pawtec External USB 3.0 Aluminum 8X DVD-RW Writ... Primochill ghost fitings Monsoon reservoir Swifttech MCP50x/2  
CoolingCoolingCoolingCooling
Primochill rigid acrylic tubing EK supremacy CPU block - Nickel EK 780Ti waterblocks x3 - Nickel Lamptron FC9 fan Controller 
CoolingCoolingCoolingCooling
9x Primochill Acrylic Radiator Grills Alphacool ST30 280 radiator Alphacool ST30 280 radiator Alphacool 420 80mm 
OSMonitorKeyboardPower
Windows 7 Ultimate Dell UW3014 Merc stealth steel series keyboard EVGA NEX1500 PSU 
CaseMouseMouse PadAudio
Lian Li PC-D600 Razer Death Adder Mouse Razer Scarab mousepad Logitech X-540 5.1 speakers with sub 
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Workstation
(16 items)
 
   
CPUMotherboardGraphicsGraphics
INtel 4770k ASUS maximus extreme VI  EVGA GTX 780Ti SC  EVGA GTX 780Ti SC 
GraphicsRAMHard DriveHard Drive
EVGA GTX 780Ti SC Kingston HyperX Beast 32 GB Kit (4x8 GB) 2400MH... Western Digital 2tb Enterprise Samsung 840 Pro SSD 256GB 
Optical DriveCoolingCoolingCooling
Pawtec External USB 3.0 Aluminum 8X DVD-RW Writ... Primochill ghost fitings Monsoon reservoir Swifttech MCP50x/2  
CoolingCoolingCoolingCooling
Primochill rigid acrylic tubing EK supremacy CPU block - Nickel EK 780Ti waterblocks x3 - Nickel Lamptron FC9 fan Controller 
CoolingCoolingCoolingCooling
9x Primochill Acrylic Radiator Grills Alphacool ST30 280 radiator Alphacool ST30 280 radiator Alphacool 420 80mm 
OSMonitorKeyboardPower
Windows 7 Ultimate Dell UW3014 Merc stealth steel series keyboard EVGA NEX1500 PSU 
CaseMouseMouse PadAudio
Lian Li PC-D600 Razer Death Adder Mouse Razer Scarab mousepad Logitech X-540 5.1 speakers with sub 
  hide details  
Reply
post #20 of 30
Thread Starter 
Quote:
Originally Posted by cgipson1 View Post

The backplates will typically drop temp 2 or 3 C on aircooled GPUS... and will probably help on WC GPU's too. I bought them more for the "pretty" than the cooling. I was running EVGA Backplates on some aircooled 780's and they did help.

The rest looks pretty good... and should work well for you.

The only thing I would consider changing out would be the EK terminal... might want to go serial instead of parallel. As it was explained to me (basic physics)... since you will have your coolant going off iin three divergent routes with parallel, your coolant pressure is reduced to a third per GPU block also.. which reduces the flow to 1/3 also. Parallel is what I originally wanted to do.. but decided to go serial instead. The head pressure on the D5 is pretty good.. but not when you divide it by 3.

Does that make sense?

Also... double check your block choices with your hardware... here: http://www.coolingconfigurator.com/ Especially check that Serial / Parallel Bridge...

Also try to make sure those 60mm rads will work with that case you want!

Okay I'll pick up the backplates then; I'm sure they will benefit the build.

Regarding the EK GPU Terminal... I kind of understand what you are saying here. Could you link a product so that I could compare and have a visual representation?

I checked the Cooling Configurator site and it appears all of my parts check out thumb.gif thanks for that.
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