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Water cooling setup for 6 HD 7950s and 1 motherboard

post #1 of 30
Thread Starter 
Hello all! So I am new to water cooling and what better way to pop my cherry than figuring out a water cooling system for 6 gpus! Or most likely 3 systems each covering two gpus. To answer the question how am I going to get 6 GPUs on 1 MB I will be using risers of 1x - 16x and 16x - 16x variety. The system will NOT be used for gaming.

I ordered 6 Sapphire HD 7950 21196-00-20GHD which is a 7950 on a 7970 reference board. So I can use any 7970 reference block.

I imagine I would need 3 radiators, 3 water pumps, 6 gpu blocks, and all the misc. parts like tubing, fluid, fittings, etc.

If possible I need the budget to be under $1k the lower the better, but I do not want to sacrifice cooling ability. These cards will be run 24/7 at 100% utilization, undervolted, underclocked core, overclocked memory. So the GPU blocks need to be able to cool everything, gpu, vram, etc

This GPU Block was highly recommended at this thread.

Thoughts? Discussion? Thank you!
post #2 of 30
wait... you plan on fitting 6 7950s on one mobo? is that even a thing? if it is, im interested to see how youll physically manage that! what will you use it for?
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Teeny Tiny Tom
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post #3 of 30
You need a 360 rad for 2 gpus. I use a alphacool nova 1080 for 5 7970's
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post #4 of 30
give at least 120mm of rad for each Chip you're cooling so for 6 GPU's you'll need at least 720mm of rad and a few extra to be on the safe side so I would go for 3 360mm rads as sugarhell suggested

Are you going to be making one massive massive loop or 3 seperate loops?

haha you really are crazy Miata wink.gif
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FX-8320 ASUS Crosshair V Formula-Z Sapphire HD7950 OC 3GB 21196-00 Sapphire HD7950 OC 3GB 21196-00 
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G.Skill Ripjaws-X DDR3 32GB 1600MHz Samsung 840 EVO 250GB SSD Western Digital Green 2Tb Custom Loop 
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post #5 of 30
Quote:
Originally Posted by tuckingfypo View Post

wait... you plan on fitting 6 7950s on one mobo? is that even a thing? if it is, im interested to see how youll physically manage that! what will you use it for?

This, Is it even possible?
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Crucial MX200 250GB Crucial MX100 512GB ADATA Premier SP550 960GB TSSTcorp CDDVDW SH-S223F 
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Kraken x60 Windows 10 Pro 64bit  AOC I2477FWQ  AOC I2477FWQ 
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Crucial MX200 250GB Crucial MX100 512GB ADATA Premier SP550 960GB TSSTcorp CDDVDW SH-S223F 
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Kraken x60 Windows 10 Pro 64bit  AOC I2477FWQ  AOC I2477FWQ 
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post #6 of 30
Quote:
Originally Posted by Wiffinberg View Post

This, Is it even possible?

Yes.
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post #7 of 30
HOW? extra pci-e expansion boards?
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Crucial MX200 250GB Crucial MX100 512GB ADATA Premier SP550 960GB TSSTcorp CDDVDW SH-S223F 
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Kraken x60 Windows 10 Pro 64bit  AOC I2477FWQ  AOC I2477FWQ 
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AOC I2477FWQ CM Storm Quickfire Ultimate (MX Brown) Corsair HX750i NZXT Switch 810 
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ULTIMA MKIII
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i7 4790k @4.6GHz ASUS Z97-A Gigabyte GTX 1070 G1 Gaming @ 2GHz (Boost) kingston Hyperx Fury 16GB 1866 
Hard DriveHard DriveHard DriveOptical Drive
Crucial MX200 250GB Crucial MX100 512GB ADATA Premier SP550 960GB TSSTcorp CDDVDW SH-S223F 
CoolingOSMonitorMonitor
Kraken x60 Windows 10 Pro 64bit  AOC I2477FWQ  AOC I2477FWQ 
MonitorKeyboardPowerCase
AOC I2477FWQ CM Storm Quickfire Ultimate (MX Brown) Corsair HX750i NZXT Switch 810 
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Corsair M65 Corsair MM200 Extended Asus Xonar U7 (External) Logitech Z906 5.1 
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post #8 of 30
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post #9 of 30
Quote:
Originally Posted by sugarhell View Post


Ah I see, that's pretty epic.

sounds like an interesting endeavour thumb.gif
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i7 4790k @4.6GHz ASUS Z97-A Gigabyte GTX 1070 G1 Gaming @ 2GHz (Boost) kingston Hyperx Fury 16GB 1866 
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Crucial MX200 250GB Crucial MX100 512GB ADATA Premier SP550 960GB TSSTcorp CDDVDW SH-S223F 
CoolingOSMonitorMonitor
Kraken x60 Windows 10 Pro 64bit  AOC I2477FWQ  AOC I2477FWQ 
MonitorKeyboardPowerCase
AOC I2477FWQ CM Storm Quickfire Ultimate (MX Brown) Corsair HX750i NZXT Switch 810 
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ULTIMA MKIII
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i7 4790k @4.6GHz ASUS Z97-A Gigabyte GTX 1070 G1 Gaming @ 2GHz (Boost) kingston Hyperx Fury 16GB 1866 
Hard DriveHard DriveHard DriveOptical Drive
Crucial MX200 250GB Crucial MX100 512GB ADATA Premier SP550 960GB TSSTcorp CDDVDW SH-S223F 
CoolingOSMonitorMonitor
Kraken x60 Windows 10 Pro 64bit  AOC I2477FWQ  AOC I2477FWQ 
MonitorKeyboardPowerCase
AOC I2477FWQ CM Storm Quickfire Ultimate (MX Brown) Corsair HX750i NZXT Switch 810 
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post #10 of 30
Not sure what you're planning on doing but wouldn't an x1 slot bottleneck a 7950?
 
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Cinema-Plex
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WD 5TB Red WD 5TB Red Seagate 1TB Constellation Noctua D15 
OSMonitorKeyboardPower
Windows 10 Vizio 43" M-Series 4k Logitec k830 EVGA SuperNova P2 850w 
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