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  1. #1
    ROG Guru: White Belt Array rolldog PC Specs
    rolldog PC Specs
    MotherboardAsus Maximus IX Extreme
    ProcessorIntel i7-7700K w/ monoblock
    Memory (part number)32GB G. SKILL TridentZ DDR4 PC4-32000 4000Mhz
    Graphics Card #1Gigabyte AORUS 1080 Ti Extreme (full waterblock)
    Monitor2017 Sony 55" A1E OLED
    Storage #1Intel Optane 32GB Cache Drive w/ 8TB Seagate
    Storage #2Samsung 960 Pro M.2 NVMe 1TB
    CPU CoolerBitspower Monoblock
    CaseIn Win Tou 2.0
    Power Supply1065-SIV
    Keyboard Corsair Vengeance K70 RGB
    Mouse Corsair Gaming Sabre Laser RGB Gaming Mouse
    Mouse Pad Corsair MM800
    Headset/Speakers Sony 55" A1E
    OS Windows 10 Pro
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    Running SLI on Maximus VI Formula

    I just bought my 2nd graphics card, but I've never setup an SLI configuration before. On this motherboard, can someone tell me which slots I should put the cards in and what kind of SLI bridge I need to get? I noticed a few different ones available, but I'm assuming it all depends on hown far apart the cards are from each other. Any suggestions?

  2. #2
    ROG Guru: Brown Belt Array MeanMachine PC Specs
    MeanMachine PC Specs
    Laptop (Model)I enjoy my wife
    MotherboardCVI HERO + CVII Hero Wifi
    ProcessorRyzen 7 1800X + 2700X
    Memory (part number)CMD16GX4M2B3000C15 + F4-3200C14D-16GTZR
    Graphics Card #1EVGA GTX980 SC for CVFZ
    Graphics Card #2EVGA GTX 1080 hybrid
    Graphics Card #3GTX 770 for phys x
    Sound CardMB
    MonitorHP w2408h
    Storage #1Samsung 970 EVO 500GB M.2
    Storage #2Samsung 840EVO 500GB and 960 M.2 pro
    CPU CoolerCorsair H105, H110 and H115i
    CaseCorsair 750D and 780T
    Power SupplyCorsair AX-1200i and Antec 850 pro platinum
    Keyboard Logitech K800
    Mouse Razer Mamba
    Headset Corsair Vengeance 2100
    OS W7 Ultimate 64bit and W10 pro 64bit
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    MeanMachine's Avatar
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    Hi rolldog
    Put the cards in Ist and 2nd slot and you can use a fixed or flexible bridge. Your card should have come with a bridge connector if the cards are SLI capable.? Switch to SLI using Nvdia Control Panel. Don't forget to connect the 4pin EZplug and ensure your drivers are up to date and you should be OK.
    Last edited by MeanMachine; 01-08-2015 at 08:23 AM.
    We owe our existence to the scum of the earth, Cyanobacteria

    My System Specs:

    MB:ASUS ROG Crosshair VII Hero/WiFi GPU:EVGA GTX 1080 sc PSU:Corsair AX-1200i
    CPU:
    AMD R7 2700X Cooler: Corsair Hydro H115i Case: Corsair Carbide 780t

    Memory:G.Skill TridentZ F4-3200C14D-16GTZR SSD:Samsung 500GB 960 EVO M.2



  3. #3
    ROG Guru: White Belt Array Melkor PC Specs
    Melkor PC Specs
    MotherboardMaximus VI Formula
    ProcessorIntel i7 4790K 4.7Ghz/1.28V
    Memory (part number)G.Skill TridentX 2x8GB 2400Mhz
    Graphics Card #1Asus ROG Matrix 780Ti
    Graphics Card #2Asus ROG Matrix 780Ti
    MonitorAsus VG278HE
    Storage #1Samsung EVO 850 1TB
    CPU CoolerEK Supremacy EVO
    CaseNZXT Phantom 630
    Power SupplyCorsair AX1200i
    Keyboard Razer Deathstalker Ultimate
    Mouse Razer Ouroboros
    Mouse Pad Razer Manticor
    OS Windows 8.1 64
    Network RouterAsus RT-AC66U
    Accessory #1 2x EK-FC780 GTX Ti Matrix - Nickel
    Accessory #2 2x EK-FC780 GTX Ti Matrix Backplate - Black
    Melkor's Avatar
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    You shall find flexible SLI connector inside Your Maximus VI Formula motherboard box. Check my gallery how cards should be put into PCIE slots (first and second slot).
    Last edited by Melkor; 01-08-2015 at 08:36 AM.

  4. #4
    ROG Guru: White Belt Array rolldog PC Specs
    rolldog PC Specs
    MotherboardAsus Maximus IX Extreme
    ProcessorIntel i7-7700K w/ monoblock
    Memory (part number)32GB G. SKILL TridentZ DDR4 PC4-32000 4000Mhz
    Graphics Card #1Gigabyte AORUS 1080 Ti Extreme (full waterblock)
    Monitor2017 Sony 55" A1E OLED
    Storage #1Intel Optane 32GB Cache Drive w/ 8TB Seagate
    Storage #2Samsung 960 Pro M.2 NVMe 1TB
    CPU CoolerBitspower Monoblock
    CaseIn Win Tou 2.0
    Power Supply1065-SIV
    Keyboard Corsair Vengeance K70 RGB
    Mouse Corsair Gaming Sabre Laser RGB Gaming Mouse
    Mouse Pad Corsair MM800
    Headset/Speakers Sony 55" A1E
    OS Windows 10 Pro
    Network RouterUbiquiti UniFi USG Pro 4
    Accessory #1 Alphacool Cape Corp Coolplex HF metall chrome reservoir
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    Cool, thanks. I'm running EVGA GeForce GTX 780 Ti Superclocked GPUs, well, once I add the 2nd one I will be. I have a waterblock on the card I'm using now and intend to add one to the new card. I have the SLI bridges, but I kind of like the way the metal one by Nvidia looks, not to mention that I need to get an EK bridge. Would you suggest I run them serial or parallel?

  5. #5
    ROG Guru: White Belt Array Melkor PC Specs
    Melkor PC Specs
    MotherboardMaximus VI Formula
    ProcessorIntel i7 4790K 4.7Ghz/1.28V
    Memory (part number)G.Skill TridentX 2x8GB 2400Mhz
    Graphics Card #1Asus ROG Matrix 780Ti
    Graphics Card #2Asus ROG Matrix 780Ti
    MonitorAsus VG278HE
    Storage #1Samsung EVO 850 1TB
    CPU CoolerEK Supremacy EVO
    CaseNZXT Phantom 630
    Power SupplyCorsair AX1200i
    Keyboard Razer Deathstalker Ultimate
    Mouse Razer Ouroboros
    Mouse Pad Razer Manticor
    OS Windows 8.1 64
    Network RouterAsus RT-AC66U
    Accessory #1 2x EK-FC780 GTX Ti Matrix - Nickel
    Accessory #2 2x EK-FC780 GTX Ti Matrix Backplate - Black
    Melkor's Avatar
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    Please consider me as a totally novice in watercooling as I did my first build, it probably depends from Your other water blocks and pump, in my case firstly I cooled only one card and CPU because EK messed things with backplates - one I received was for 780Ti Matrix and second one I received was somehow for Matrix Radeon, plus I ordered wrong Terminal (2-slot) by mistake, but I personally use EK-FC Terminal DUAL Parallel 3-Slot and temperatures compared to GPU+CPU for me after adding second GPU + CrossChill is same as it was with one card. Maybe it's not lowest You could expect from water cooling but I'm getting 49C GPU temp / 56C VRM on first card and 46C GPU temp / 54C VRM on second with quite high overclock - 1337 GPU boost while playing for long period of time in Battlefield 4 MP with V-sync off. Temps on first card are same as when running only single card overclocked.

  6. #6
    ROG Guru: White Belt Array rolldog PC Specs
    rolldog PC Specs
    MotherboardAsus Maximus IX Extreme
    ProcessorIntel i7-7700K w/ monoblock
    Memory (part number)32GB G. SKILL TridentZ DDR4 PC4-32000 4000Mhz
    Graphics Card #1Gigabyte AORUS 1080 Ti Extreme (full waterblock)
    Monitor2017 Sony 55" A1E OLED
    Storage #1Intel Optane 32GB Cache Drive w/ 8TB Seagate
    Storage #2Samsung 960 Pro M.2 NVMe 1TB
    CPU CoolerBitspower Monoblock
    CaseIn Win Tou 2.0
    Power Supply1065-SIV
    Keyboard Corsair Vengeance K70 RGB
    Mouse Corsair Gaming Sabre Laser RGB Gaming Mouse
    Mouse Pad Corsair MM800
    Headset/Speakers Sony 55" A1E
    OS Windows 10 Pro
    Network RouterUbiquiti UniFi USG Pro 4
    Accessory #1 Alphacool Cape Corp Coolplex HF metall chrome reservoir
    Accessory #2 Laing DDC w/ brushed aluminum mod top
    Accessory #3 Dual Aquacomputer Airplex 360mm radiators

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    I installed the second card, hooked up the SLI bridge that came with the MB, but the 2nd card isn't being recognized. Is there anything I need to change in the BIOS as far as the PCIe slots are setup or should the MB automatically recognize the 2nd card? When I first turned the PC back on, it downloaded another Nvidia driver, which made me think it probably recognized it, but the driver is slightly different. However, if I open the Nvidia Control Panel, according the the information I've read, there should be an option to select SLI configuration under 3D settings, but I don't have that option. I have both cards installed (2-780Ti Superclocked) in PCI slots 1 & 2, and I have the additional 6 pin power adapter and the additional 8 pin power adapter hooked up to each card.

    Just out of curiosity, I went into the BIOS where it shows what type of memory chips are in the DIMM slots and what kind of cards are in the PCIe slots, and it only showed 1 GPU (the original card) in slot one. It did say it was running at 8x instead of 16x like it usually does which tells me the MB recognizes the card, but it's not setup correctly. Any suggestions?

  7. #7
    Moderator Array Nate152 PC Specs
    Nate152 PC Specs
    MotherboardROG Maximus IX Code
    Processori7-7700k 5.2GHz Delidded
    Memory (part number)16GB G.Skill Trident Z 4000MHz 16-16-16-39-2T
    Graphics Card #1Titan Xp - EKFC waterblock
    Graphics Card #2Titan Xp
    Sound CardROG SupremeFX 2015
    MonitorHP ZR30w
    Storage #1Toshiba OCZ VX500 256GB
    CPU CoolerSwiftech Apogee GTZ
    CaseThermaltake Armor+ VH6000
    Power SupplyPC Power & Cooling Turbo Cool 1200w
    Keyboard Razer Anansi
    Mouse Logitech G500
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    Nate152's Avatar
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    The bios should be recognizing your second card. Do you have the pcie cables connected?

    Try reinstalling the NVidia driver, let the sli connector connected.

    Do a custom/advanced install and check the box that says perform a clean installation.

  8. #8
    ROG Guru: White Belt Array rolldog PC Specs
    rolldog PC Specs
    MotherboardAsus Maximus IX Extreme
    ProcessorIntel i7-7700K w/ monoblock
    Memory (part number)32GB G. SKILL TridentZ DDR4 PC4-32000 4000Mhz
    Graphics Card #1Gigabyte AORUS 1080 Ti Extreme (full waterblock)
    Monitor2017 Sony 55" A1E OLED
    Storage #1Intel Optane 32GB Cache Drive w/ 8TB Seagate
    Storage #2Samsung 960 Pro M.2 NVMe 1TB
    CPU CoolerBitspower Monoblock
    CaseIn Win Tou 2.0
    Power Supply1065-SIV
    Keyboard Corsair Vengeance K70 RGB
    Mouse Corsair Gaming Sabre Laser RGB Gaming Mouse
    Mouse Pad Corsair MM800
    Headset/Speakers Sony 55" A1E
    OS Windows 10 Pro
    Network RouterUbiquiti UniFi USG Pro 4
    Accessory #1 Alphacool Cape Corp Coolplex HF metall chrome reservoir
    Accessory #2 Laing DDC w/ brushed aluminum mod top
    Accessory #3 Dual Aquacomputer Airplex 360mm radiators

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    Yesterday, I ended up draining my waterloop, removing my original card,and installing the new card into slot 1 and it worked fine. One thing I noticed, this new card has the EVGA ACX cooler on it, which makes the card a little bigger on all sides. My MB has the ROG armor on it, and when I try seating this card, it's a tight fit. The bottom of the card, which is basically part of the cooler, comes in contact with the armor. This might be preventing a proper seating of the card in slot 2, especially since I have a waterblock on the Z87 chipset, which is right between slot 1 & slot 2. If this is the case, once I put a waterblock on it, the size of the card will be much smaller.

  9. #9
    ROG Guru: Brown Belt Array NemesisChild PC Specs
    NemesisChild PC Specs
    MotherboardASUS Maximus X Hero (WI-FI AC)
    ProcessorIntel i7 8700K
    Memory (part number)G.Skill F4-3600C16D-16GTZR
    Graphics Card #1Nvidia GTX 1070 Ti FE
    Graphics Card #2Nvidia GTX 1070 Ti FE
    MonitorASUS ROG Swift PG278Q
    Storage #1Samsung 970 PRO 512GB NVMe M.2
    Storage #2WD Black 2TB 7200 RPM 64MB Cache
    CPU CoolerNZXT Kraken X42
    CaseCooler Master HAF 932 Advanced
    Power SupplyEVGA SuperNova 1200 P2
    Keyboard Logitech G910 Orion Spark
    Mouse Logitech G703 Wireless
    Headset Logitech G Pro
    Mouse Pad SteelSeries
    OS Windows 10 Home x64 (UEFI)
    Network RouterLinksys WRT1900AC
    NemesisChild's Avatar
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    Sounds like it's getting a bit complicated, keep things simple.
    Intel i7 8700K@ 5.2GHz (Delidded)
    ASUS Maximus X Hero (Bios 1801)
    NZXT Kraken X42
    G.Skill TridentZ@ 4000MHz CL16 2x8GB
    SLI: 2x Nvidia GTX 1070 Ti FE@ 2025/2025MHz
    OS: Samsung 970 PRO 512GB NVMe M.2
    Storage: Samsung 960 EVO 500GB NVMe M.2
    Storage: 2x Samsung 850 EVO 500GB
    Storage: WD Black 7200 RPM 64MB Cache 2TB
    EVGA SuperNova 1200 P2
    Cooler Master HAF 932 Advanced

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