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  1. #1
    Major Asshattery Array Protocol PC Specs
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    MotherboardRampage VI Extreme
    Processori9-7940X
    Memory (part number)Corsair Dominator Special Edition Torque - DDR4-3200
    Graphics Card #1EVGA GTX 1080 Ti FTW3 - EK waterblock
    Graphics Card #2EVGA GTX 1080 Ti FTW3 - EK waterblock
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    Protocol's Avatar
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    Feedback/Input on 3970X overclock

    I would like to get some input and self-validation from the pros here... 4.7 GHz only requires 1.368v for 100 percent stability, but I can also run 4.9 GHz at 1.408v. That's not a massive increase in voltage - not small, but not overly degrading I believe.

    Pertinent settings below:

    --3970X @ 4.9 GHz--

    vCore - 1.408 - 1.416 @ 100 percent load (IBT)
    VTT - 1.175
    VCCSA - 1.175
    PLL - 1.775
    CPU LLC - Regular
    CPU Current Limit - 180%
    C-States - All disabled except for C1E
    SpeedStep - Enabled
    HT - Enabled

    I am running the memory at 1866, regular LLC as well. 1.55v DRAM voltage for stability. Temps max out with IBT at 82C. Idle at 32C. Hard-gaming - 60C. I don't fold, bench, etc. Simply 50/50 gaming/workstation.

    Would you guys run this 24/7 if it was your rig?

    Thanks in advance!

    -Lee
    | Corsair 900D | i9-7940X @ 4.5 GHz 24/7 (All-Core) | Rampage VI Extreme |
    | 32GB (4x8) Corsair Dominator Special Edition 3200 Kit (14-16-16-36) |
    | EVGA GTX 1080 Ti FTW3 with EK blocks - 2x-SLi | Corsair AXi1200 PSU |
    | 2x Samsung 960 PRO NVMe | Custom Liquid Cooling (Dedicated CPU/VRM - EK Monoblock) vs. VGA Loops | Koolance Fittings |
    | 2x 360mm BlackIce SR-1 Radiators - Push-Pull | 12x Corsair AF-120 Fans |
    | 2x MCP655-PWM Pumps | 2x BitsPower 250mL Reservoirs


  2. #2
    ROG Guru: Grand Master Array HiVizMan's Avatar
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    With that cooling you are good to go. Nice CPU and very nice system.
    To help us help you - please provide as much information about your system and the problem as possible.

  3. #3
    Major Asshattery Array Protocol PC Specs
    Protocol PC Specs
    MotherboardRampage VI Extreme
    Processori9-7940X
    Memory (part number)Corsair Dominator Special Edition Torque - DDR4-3200
    Graphics Card #1EVGA GTX 1080 Ti FTW3 - EK waterblock
    Graphics Card #2EVGA GTX 1080 Ti FTW3 - EK waterblock
    Sound CardOnboard Audio
    MonitorAcer Predator XB321HK
    Storage #1Samsung 960 PRO NVMe
    Storage #2Samsung 960 PRO NVMe
    CPU CoolerEK R6E Monoblock
    CaseCorsair 900D
    Power SupplyCorsair AX1200i
    Keyboard Corsair K90
    Mouse Razer Mamba Tournament Edition
    Headset Astro A40
    Mouse Pad Razer Manticore
    Headset/Speakers Klipsch THX
    OS Windows 10 Pro (Track-Me Edition)
    Network RouterCisco ASA 5515
    Accessory #1 MCP655 PWM Pumps (2)
    Accessory #2 Gold-plated AK
    Accessory #3 Spinners
    Protocol's Avatar
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    Thanks HiViz! I appreciate the feedback. These extreme series CPU's natively require so much more voltage than the other SB-E and IVB-E so it sort of throws me off sometimes - I just like to get community feedback : )

    The jump to 5.0 GHz is sick though... 1.44v minimum, and I can't keep the temps down during any stress tests. 4.9 GHz is definitely maxes the heat coefficient of my water loop at room temperature.
    | Corsair 900D | i9-7940X @ 4.5 GHz 24/7 (All-Core) | Rampage VI Extreme |
    | 32GB (4x8) Corsair Dominator Special Edition 3200 Kit (14-16-16-36) |
    | EVGA GTX 1080 Ti FTW3 with EK blocks - 2x-SLi | Corsair AXi1200 PSU |
    | 2x Samsung 960 PRO NVMe | Custom Liquid Cooling (Dedicated CPU/VRM - EK Monoblock) vs. VGA Loops | Koolance Fittings |
    | 2x 360mm BlackIce SR-1 Radiators - Push-Pull | 12x Corsair AF-120 Fans |
    | 2x MCP655-PWM Pumps | 2x BitsPower 250mL Reservoirs


  4. #4
    ROG Guru: Grand Master Array HiVizMan's Avatar
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    Looks like 49x is your tipping point mate. I would be happy with that myself.
    To help us help you - please provide as much information about your system and the problem as possible.

  5. #5
    ROG Guru: Diamond Belt Array Zka17's Avatar
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    I think that those settings from the OP are safe for 24/7, specially if the temps are not going over 75C during your regular usage...

    I would not stress the CPU too much with IBT, if the system is stable enough for your needs (games/work) then that's it...

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