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Dual GTX 1080 Ti SC2 Hybrid Gaming in front of a 750D

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kingmax
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2017/06/27 09:28:18 (permalink)
Hi. Can Anyone tell me if I will be able to fit 2 GTX 1080 Ti SC2 Hybrids in the front of a Corsair Obsidian 750D? 
I understand that the tubing are 400mm long, and the case is 560mm long. I'm not 100% sure if it will be enough. 

 

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    bcavnaugh
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    Re: Dual GTX 1080 Ti SC2 Hybrid Gaming in front of a 750D 2017/06/27 11:11:22 (permalink)
    Welcome to the Forum kingmax
    You should fine, one Radiator in the Rear and one in the Front.

    I
    post edited by bcavnaugh - 2017/06/27 11:13:57

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    kingmax
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    Re: Dual GTX 1080 Ti SC2 Hybrid Gaming in front of a 750D 2017/06/27 11:24:48 (permalink)
    That kind of ruins my airflow concept. If 1 card radiator can reach the front of the case, why can't the other too?
    I should have been more specific about the build. 
    Here are the specs: 
     
    CPU - 2X E5-2690 V4 
    MB - ASUS Z10PE-D8 WS 
    RAM - 8 X 16GB - Kingston ValueRAM 16GB DDR4 KVR24R17D4/16 
    GPU - 2X GTX 1080 Ti SC2 Hybrid 
    HDD 01 - Samsung SSD 960 Pro M.2 1TB
    HDD 02 - Intel SSD DC P3500 1/2 Height PCIe 3.0 1.2TB 
    CASE - Corsair Obsidian 750D Airflow Edition 
    PS - CORSAIR AX1500I
    COOLER - 2X Corsair Hydro H80i v2 
    FAN REPLACEMENT - Noctua 
     
    Yesterday I kind of switched to the 900D, but its a huge case. 
    This build is for CPU and GPU rendering. I must point out I want it to be dead silent. (or at least have the system run in the 40ish Db range when on load).
     
    I know people will tell me the only way to do it right is to go for a custom loop, but I really don't have time for it and 0 experience. 
     
    Any advice will be appreciated.
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    bcavnaugh
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    Re: Dual GTX 1080 Ti SC2 Hybrid Gaming in front of a 750D 2017/06/27 11:33:34 (permalink)
    It will reach but then you are putting the Radiator below the Graphics Card and others do not recommended doing this.
    This is mine, I never had any issues but others Forum Members will tell you not to do it this way.

     
    I have a 900D and really do not care for it, I had two of them.
    Laptops are the only way you are going to see "dead silent"
    post edited by bcavnaugh - 2017/06/27 11:43:26

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    bcavnaugh
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    Re: Dual GTX 1080 Ti SC2 Hybrid Gaming in front of a 750D 2017/06/27 11:44:32 (permalink)
    With this Motherboard; *Wish EVGA Made a Duel CPU Motherboard.
    With your MB - ASUS Z10PE-D8 WS  I would not use a 750D Case or 900D Case for Air over Hybrid Cooling *AIO Coolers that is.

    I would go with this Case
      Thermaltake CORE W100 Extreme Water Cooling XL-ATX Fully Modular Full Tower Computer Case
     
     Click on Image for Larger View.
     
    H90  Comes with one 140mm fan you can add one and set them up in Push/Pull with Low RPM for less noise.
    post edited by bcavnaugh - 2017/06/27 14:57:50

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    cyberdimensions
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    Re: Dual GTX 1080 Ti SC2 Hybrid Gaming in front of a 750D 2017/06/27 12:23:11 (permalink)
    This is the 750D Airflow Edition
     

     
    I put the H115i in the front since it generates less heat than having the 2 GPU radiators blow air into the case.  Works quite well for me.  

     
    i7 6850K @ 4.2 Ghz @ 1.27 V
    Asus X99 Deluxe II motherboard
    2 x EVGA 1080 Ti in SLI with Nvidia HB Bridge and Hybrid kit using 4 ML120 fans
    64 GB G.Skill Trident Z DDR4 3200 Ram
    Corsair H115i Water cooler with 4 Corsair ML140 fans
    Corsair 750 D Airflow edition case with 1 ML140, 1 Cryorig 140, 1 ML120 fan
    Samsung 950 Pro 512 GB M.2 SSD
    3 x Samsung Evo 850 500 GB SSD in Raid 0
    Western Digital Black 2 TB HDD
    Western Digital Black 640 GB HDD
    Corsair HX1200i PSU
    Acer Predator XB271HU IPS Gsync 144/165 Hz
    Windows 10 Pro
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    kingmax
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    Re: Dual GTX 1080 Ti SC2 Hybrid Gaming in front of a 750D 2017/06/27 14:16:38 (permalink)
    bcavnaugh
    It will reach but then you are putting the Radiator below the Graphics Card and others do not recommended doing this.
    This is mine, I never had any issues but others Forum Members will tell you not to do it this way.

     
    I have a 900D and really do not care for it, I had two of them.
    Laptops are the only way you are going to see "dead silent"


     
    I saw your rig the other day while browsing for some answers. 
    I red that I shouldn't put the gpu radiator below the card, but I still don't understand why? It should be the same for the cpu-s then. Then even if I go for the 900D and put the gpu rads in the bottom side i would have the same problem?
    I can see that you've put the gpu rads on the hdd cage, but would they go all the way to the case mounts where the front fans are? 
     
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    bcavnaugh
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    Re: Dual GTX 1080 Ti SC2 Hybrid Gaming in front of a 750D 2017/06/27 14:20:27 (permalink)
    The only real rule is to keep the Hose at the Bottom to keep the air bubbles at the top of the Radiator and allowing the air into the Pump.
    I The way I have mine the air bubbles still stay at the top of the Radiator.
    I have moved my Hybrids into a Thermaltake CORE X5 Black E-ATX Stackable Liquid Cooling Certified Cube Chassis Case (CA-1E8-00M1WN-00)
    I put the Radiators at the Top of this Case, Still like the first setup I had a lot better.
     
    post edited by bcavnaugh - 2017/06/27 14:24:08

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    kingmax
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    Re: Dual GTX 1080 Ti SC2 Hybrid Gaming in front of a 750D 2017/06/27 14:31:55 (permalink)
    bcavnaugh
    With this Motherboard; *Wish EVGA Made a Duel CPU Motherboard.
    With your MB - ASUS Z10PE-D8 WS  I would not use a 750D Case or 900D Case for Air over Hybrid Cooling *AIO Coolers that is.

    I would go with this Case
      
     
     Click on Image for Larger View.
     
      Comes with one 140mm fan you can add one and set them up in Push/Pull with Low RPM for less noise.




    This case is even bigger than the 900D, and I still have the problem of short tubing. It would allow me to put 2 240mm for the CPU-s on top, but where would I put the GPUs radiators? The H90 is not compatible with the 2011-3 socket. It was my first choice. 
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    kingmax
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    Re: Dual GTX 1080 Ti SC2 Hybrid Gaming in front of a 750D 2017/06/27 14:36:59 (permalink)
    cyberdimensions
    This is the 750D Airflow Edition
     

     
    I put the H115i in the front since it generates less heat than having the 2 GPU radiators blow air into the case.  Works quite well for me.  




    All your rad fans are in push mode and the back fan in pull or you're pulling the air from the front? I don't know which CPU you have, but I'm building a dual system with two 135W TDP chips. Those generate a lot of heat. In my case it seemed better to blow the air through the GPU radiators in the case.
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    cyberdimensions
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    Re: Dual GTX 1080 Ti SC2 Hybrid Gaming in front of a 750D 2017/06/27 14:46:35 (permalink)
    Actually, right now all radiators are in push pull.  I managed to drill just one hole for the gpu radiator on the left to allow it to be mounted a bit forward away from the motherboard so that I was able to mount a fan on both sides of the GPU radiators as well as doing the CPU radiator in push pull.  I have a i7 6850k.  Just experiment with the configuration to see which gives you the better results, this works best for me.
     

     
    i7 6850K @ 4.2 Ghz @ 1.27 V
    Asus X99 Deluxe II motherboard
    2 x EVGA 1080 Ti in SLI with Nvidia HB Bridge and Hybrid kit using 4 ML120 fans
    64 GB G.Skill Trident Z DDR4 3200 Ram
    Corsair H115i Water cooler with 4 Corsair ML140 fans
    Corsair 750 D Airflow edition case with 1 ML140, 1 Cryorig 140, 1 ML120 fan
    Samsung 950 Pro 512 GB M.2 SSD
    3 x Samsung Evo 850 500 GB SSD in Raid 0
    Western Digital Black 2 TB HDD
    Western Digital Black 640 GB HDD
    Corsair HX1200i PSU
    Acer Predator XB271HU IPS Gsync 144/165 Hz
    Windows 10 Pro
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    kingmax
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    Re: Dual GTX 1080 Ti SC2 Hybrid Gaming in front of a 750D 2017/06/27 14:53:49 (permalink)
    Thank you all for the quick replies. 
    I want to clarify some more things. 
    I'm not using SLI. The second card will be idle most of the time, and when it will be stressed , than the primary one will be used solely for the monitor display. 
    If I was building a GPU RT render workstation I would be going for a single CPU/quad GPU solution. My final works are all heavy CPU based calculations. I own 6 dual xeon render nodes already, but I would like a single powerful and versatile workstation to do all the test render and modeling prior to launching the final render which will utilize all my available CPU cores. 
    Furthermore, I'm not expecting a super silent build, but I'd like to avoid a jet plane when the system is on 100% load. I still think I can achieve an almost perfectly silent build using only AIO coolers. 
    The xeons are resilient processors and can operate 24/7 in the 70° celsius without any problems. 
    I even thought on getting the 1080 ti FTW3 , but I'm concerned it would only generate more heat inside the case. 
    My biggest worries heat wise are thr CPUs.
     
    What do you think about the Phanteks Enthoo Primo?



     
     
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    kingmax
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    Re: Dual GTX 1080 Ti SC2 Hybrid Gaming in front of a 750D 2017/06/27 15:21:42 (permalink)
    I have little room for experimentation. This will be a 10K build and where I live, I need to wait 15 days to get new parts (i.e. fans), so I really need to plan all the wiring and fan dimensions/positions in advance, and it all starts with the case choice I make. 
     
    p.s. I cannot even afford to return something. Especially not the big items. If I go wrong with the case, I can throw it away and buy a new one and wait perhaps even a month. 
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