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  1. #1
    ROG Enthusiast Array bfollowell PC Specs
    bfollowell PC Specs
    MotherboardASUS ROG Maximus IX Hero
    ProcessorIntel Core i7-7700K
    Memory (part number)G.SKILL TridentZ Series 16GB DDR4 SDRAM DDR4 3200 (PC4 25600) F4-3200C16D-16GTZB
    Graphics Card #1ASUS ROG Strix GeForce GTX 1080 OC edition 8GB 11Gbps ROG-STRIX-GTX1080-O8G-11GBPS
    Sound CardSound BlasterX AE-5
    MonitorASUS ROG Swift PG279Q & ASUS VW246H
    Storage #1Samsung 850 EVO Series 500GB 2.5" Solid State Drive
    Storage #2Western Digital Black Series 2TB 3.5" 7200RPM Hard Drive
    CPU CoolerNZXT Kraken X61
    CaseCorsair 750D
    Power SupplyEVGA 750 G3
    Keyboard Logitech G710+
    Mouse Logitech G602
    Headset Kingston HyperX Cloud Pro
    Headset/Speakers Logitech G​51 Surroun​d Sound 5.​1 Speaker ​System
    OS Windows 10 Home 64-bit
    Network RouterLinksys WRT3200ACM

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    Overclocking I7-7700K on Maximus IX Hero. Stuck at 4.8 GHz.

    I finally took the plunge and started working on overclocking my system. I have an ROG Maximus IX Hero motherboard with an I7-7700K processor. I got to 4.8 GHz fairly easily and my system is really stable and my CPU temps only reach about 69 C. When I try to bump up to 4.9 GHz, everything gets really flaky, really fast. I'm lucky to even get Windows 10 to load completely before the system locks up and, even when I do, I usually make it only a couple of minutes. Temps still don't look bad, when I can last long enough to actually load Core Temp. It's just super unstable.

    What would you guys suggest I start tweaking first to see if I can go up anymore an gain some stability? My VCore is at 1.30 V currently. I was thinking I'd start bumping voltage up by 0.01 or 0.02, to see if that helped any.

    Thanks.

  2. #2
    Administrator Array Silent Scone@ASUS's Avatar
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    If the system is that unstable you'll need to bump in 20mV increments at least.

  3. #3
    ROG Enthusiast Array bfollowell PC Specs
    bfollowell PC Specs
    MotherboardASUS ROG Maximus IX Hero
    ProcessorIntel Core i7-7700K
    Memory (part number)G.SKILL TridentZ Series 16GB DDR4 SDRAM DDR4 3200 (PC4 25600) F4-3200C16D-16GTZB
    Graphics Card #1ASUS ROG Strix GeForce GTX 1080 OC edition 8GB 11Gbps ROG-STRIX-GTX1080-O8G-11GBPS
    Sound CardSound BlasterX AE-5
    MonitorASUS ROG Swift PG279Q & ASUS VW246H
    Storage #1Samsung 850 EVO Series 500GB 2.5" Solid State Drive
    Storage #2Western Digital Black Series 2TB 3.5" 7200RPM Hard Drive
    CPU CoolerNZXT Kraken X61
    CaseCorsair 750D
    Power SupplyEVGA 750 G3
    Keyboard Logitech G710+
    Mouse Logitech G602
    Headset Kingston HyperX Cloud Pro
    Headset/Speakers Logitech G​51 Surroun​d Sound 5.​1 Speaker ​System
    OS Windows 10 Home 64-bit
    Network RouterLinksys WRT3200ACM

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    What is the max VCore I should consider? 1.36?

  4. #4
    Administrator Array Silent Scone@ASUS's Avatar
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    On that CPU, cap at 1.4v. Just don't let temps exceed 85c where possible.

  5. #5
    Banned Array JustinThyme PC Specs
    JustinThyme PC Specs
    Laptop (Model)G752VY-DH72
    MotherboardRampage VI Extreme
    ProcessorI9 9940X
    Memory (part number)64GB DDR4 8x8 Corsair Dominator Platinum 3800 MHz @ C17
    Graphics Card #1ASUS Strix 2080Ti O11G @ 2.1GHz
    Graphics Card #2ASUS Strix 2080Ti O11G @ 2.1Ghz
    Graphics Card #3ROG Nvlink
    Graphics Card #4Have to feed animals
    Sound CardExternal Audioengine D1 24 bit 192kbps DAC
    MonitorASUS PG348Q @ 100Hz
    Storage #1Intel 905P 480GB U2 flavor
    Storage #2Samsung 850 EVO 1TB X2 in RAID 0, 960 PRO 1TB DIMM.2_1
    CPU CoolerHeatKiller IV PRO and VRM blocks ,Dual D5 PWM serial, 2X 480, 1X 360 RADS
    CasePhanteks Enthoo Elite 8X LL120 PWM, 3X LL140 PWM, 12 SP120 PWM 1x AF140 PWM
    Power SupplyCorsair AX 1500i
    Keyboard ASUS Claymore
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    Also keep in mind that not all chips can get to 5 GHz. I got mine to 5.2 with 1.385

  6. #6
    ROG Enthusiast Array bfollowell PC Specs
    bfollowell PC Specs
    MotherboardASUS ROG Maximus IX Hero
    ProcessorIntel Core i7-7700K
    Memory (part number)G.SKILL TridentZ Series 16GB DDR4 SDRAM DDR4 3200 (PC4 25600) F4-3200C16D-16GTZB
    Graphics Card #1ASUS ROG Strix GeForce GTX 1080 OC edition 8GB 11Gbps ROG-STRIX-GTX1080-O8G-11GBPS
    Sound CardSound BlasterX AE-5
    MonitorASUS ROG Swift PG279Q & ASUS VW246H
    Storage #1Samsung 850 EVO Series 500GB 2.5" Solid State Drive
    Storage #2Western Digital Black Series 2TB 3.5" 7200RPM Hard Drive
    CPU CoolerNZXT Kraken X61
    CaseCorsair 750D
    Power SupplyEVGA 750 G3
    Keyboard Logitech G710+
    Mouse Logitech G602
    Headset Kingston HyperX Cloud Pro
    Headset/Speakers Logitech G​51 Surroun​d Sound 5.​1 Speaker ​System
    OS Windows 10 Home 64-bit
    Network RouterLinksys WRT3200ACM

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    I think I have it fairly stable at 4.9 GHz with 1.360 V and CPU temps around 77 C. I've been running Prime95 for over an hour with 100% CPU usage with no hiccups. I think I'll leave it here for a few days and maybe try some gaming and real-world applications and see how things go. I may try to push on up to 5.0 GHz later.

    Click image for larger version. 

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