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  1. #1
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    Buildlog - Liquid cooled GPU (G20CI - GTX1080 Turbo - Corsair H90)

    This is my first post on this buildlog, my idea is to liquid cool the GTX 1080 that hits the 85C mark everytime I'm gaming.

    My approach is very simple, do avoid modding the case as far as I can. The general idea is to have the radiator mounted outside the case (inside would have been impossible). The parts used for this mod are the following:
    • Kraken G10 (modified)
    • Noctua 92mm fan low profile (NF-A9x14)
    • Noctua fan controller (NA-FC1)
    • Corsair H90
    • Aluminium Heatsinks for VRAM and Mosfets
    • 140mm fan for the rad

    Ill keep you guys posted!

  2. #2
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    Okay here we go guys. This mod took about 4 hours to make.

    ATTENTION!!! I DO NOT HOLD RESPONSIBLE IF YOU DAMAGE YOUR HARDWARE REPLICATING THIS MOD. YOU ARE DOING IT AT YOUR OWN RISK. ATTENTION!!!!

    STEP 1: KRAKEN G10 MOD

    I started by cutting the side of the Kraken G10 to make it fit inside the cage of the G20 GPU slot.
    Click image for larger version. 

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    STEP 2: PCI BRACKET MOD

    In order to fit the tubes through the PCI bracket, I had to cut the mesh to lead the tubes through:
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    File the edges down to make it smooth and can't damage the tubes and wires:

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    STEP 3: CAGE MOD

    Cut the cage so the pump can go through it and via the newly cutted PCI bracket:
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    STEP 4: ASSEMBLY


    Time to try to fit the Kraken G10/Corsair H90 Combo inside the cage. A bit tricky but you will eventually get there.
    I used the Noctua fan controller (NA-FC1) and a 4-pin PWM to VGA fan adapter to control the fans via PWM. The 3 output fan headers were used for:
    • Radiator fan
    • Pump
    • 92mm fan for VRM cooling

    Click image for larger version. 

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    STEP 5: TESTBOOT (IT'S ALIVE!!)

    I carefully lowered the cage inside the G20 and tightened the screws and went to test if this mod even worked. Held my breath and pushed the power button. IT'S ALIVE!!!
    Click image for larger version. 

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    STEP 6: CLEANING UP

    Since the Noctua fan controller was entirely PWM controlled, I decided it was unnecessary to have it outside the G20, so a littlebit of cablemanagement later, I fitted all of the excess cables inside.
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    And close the lid

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    STEP 7: TEMPS AND OVERCLOCK

    Well all I can say is that this mod took a lot of planning, since I didn't want the AIO to show. But it was all worth it based on what result I got:

    Here is the Asus GTX 1080 Turbo at stock, running Heaven benchmark. The card hits the 85C mark and starts to throttle. I kept the fans running in auto.
    Click image for larger version. 

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    I did another test with the card overclocked, this time 100% fan speed (this thing is screaming at the point):
    Click image for larger version. 

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    Although I reached 1974 MHz core, the clock was unstable and the screen froze from time to time.

    AFTER MOD

    This is the result after 15 minutes of Heaven benchmark running:
    Click image for larger version. 

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    The computer is dead silent, and it doesn't even sweat. I managed to push the core to 2050 MHz and the memory to 5300 MHz. I think to push it more a volt mod is needed, but at this point, I'm more than satisfied with the result.

    I hope you guys enjoyed this mod/guide and I wish you all a nice day!

    Click image for larger version. 

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  3. #3
    TeamROG Moderator Array xeromist PC Specs
    xeromist PC Specs
    Laptop (Model)Dell Inspiron 15 7567
    MotherboardMSI x470 Gaming Plus
    ProcessorAMD 2600X
    Memory (part number)16GB Crucial Ballistix Elite 3600
    Graphics Card #1ASUS GTX 1080 Strix
    MonitorBenQ BL3200PT
    Storage #1Intel 600p NVMe
    CPU CoolerWraith
    Casecustom Antec 900
    Power SupplyCorsair HX1000
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    Mouse Logitech MX500
    Headset Plantronics 777 with Oregon Aero upgrade
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    Congrats! Are you going to mount it to the case or just leave it free?
    * Support disease research with Folding@Home *

    < < < Click the drop-down above my avatar for my PC specs!

  4. #4
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    Quote Originally Posted by xeromist View Post
    Congrats! Are you going to mount it to the case or just leave it free?
    I will try to mount it underneath my desk

  5. #5
    ROG Enthusiast Array six4bravo's Avatar
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    Gj dude, I think this coupled with my cpu water mod would be a beast of a compact computer.

  6. #6
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    Quote Originally Posted by six4bravo View Post
    Gj dude, I think this coupled with my cpu water mod would be a beast of a compact computer.
    Thanks man, I think my next project is to make a custom loop for my G20 using the same idea. But for now I' happy

  7. #7
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    Just bought a cheap waterblock from Ebay. I will now continue planning the mod by expanding the AIO using the guide from MindBlank Tech:



    I'm still going to use the H90, although it's only 140mm rad.

    Click image for larger version. 

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    Stay tuned!

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