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  1. #1
    ROG Guru: White Belt Array sahafiec PC Specs
    sahafiec PC Specs
    MotherboardAsus Z170 Gene
    ProcessorIntel i5 6600K
    Memory (part number)CMD16GX4M2A2666C15
    Graphics Card #1EVGA GTX980 SC
    MonitorASUS PB258Q WQHD
    Storage #1Samsung 850EVO 250GB M.2
    Storage #2WD Blue 1TB WD10EZEX SATA3 (2x)
    CPU CoolerCM Hyper 212 EVO
    CasePhanteks Enthoo Pro M
    Power SupplyEVGA SuperNOVA 650 P2
    Keyboard Corsair Vengeance K65 Compact
    Mouse Razer DeathAdder Chroma
    Headset HyperX Clod II
    Mouse Pad Razer Sphex
    OS Windows 10 Pro x64
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    Asus Z170 Gene strange memory issues...

    hi guys,

    I have already red other topics about memory issues with this particular motherboard.
    but my issue seems a bit different, thus I decided to open a new topic.
    I'm using the Asus Z170 Gene (bios 1402), Intel i5 6600K (no OC) and Corsair 4x4GB 2400MHz ram (CMK16GX4M4A2400C14).

    the motherboard and the ram are both in each others QVL lists so I expected them to work flawlessly.
    the cpu, motherboard and ram combo is about 2 months old and I'm facing some random stability issues.
    the range goes from a freeze to a BSOD, always random and not really reproducible.

    I've been investigating that together with the great guys over at "tenforums" but was not able to find the real cause.
    suspecting a driver issue I performed a clean install of my Windows 10 Pro so drivers should not be a problem anymore.
    only a minimum of the only needed driver are cleanly installed: vga, audio and chipset (all up to date).

    what I realize is that I never have a BSOD or freeze while running my rams on auto settings.
    as soon as switch the rams to XMP and run them on 2400MHZ (instead of 2133MHz) I get random issues.
    to be clear I never have issues to boot the system, the issues come later on and are not predictable.

    additionally while troubleshooting the BSODs I ran a Memtest on the rams for more than 8 loops with no errors.
    so there seems to be no physical issue with the rams but still XMP causes problems.

    what's the problem with that motherboard, why is an overclocker motherboard not able to run 2400MHz ram on XMP?

    the rams supports even 2666MHz on XMP (second profile) and the motherboard is advertised even with speeds up to 3800MHz.

    I just don't get what's the bottleneck here, what's causing the issue?!

    I appreciate any help I can get, especially by users of the same motherboard.

    note:
    for those interested hier is the link to my BSOD troubleshooting.
    http://www.tenforums.com/bsod-crashe...pro-64bit.html

  2. #2
    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 4025MHz 17-17-17-39-2T
    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 SupplyEVGA Supernova 1600w Titanium
    Keyboard Cyberpower Skorpion K2
    Mouse Razer Basilisk
    Headset Sennheiser HD6XX / Modmic 5
    OS Windows 10 Home 64 bit
    Accessory #1 Asus optical drive
    Accessory #2 Koolance ERM-2K3U
    Nate152's Avatar
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    Hello Sahafiec

    I see your ram is the corsair vengeance LPX and in the description it says it's optimized for x99 boards. I know there can be some confusion over DDR4 memory some say compatible with x99, some say compatible with x99 and z170, some say compatible with z170.

    I think I would try a ram kit that's specifically designed for z170.

    Here is your ram kit:

    http://www.corsair.com/en-us/vengean...6gx4m4a2400c14

  3. #3
    ROG Guru: White Belt Array sahafiec PC Specs
    sahafiec PC Specs
    MotherboardAsus Z170 Gene
    ProcessorIntel i5 6600K
    Memory (part number)CMD16GX4M2A2666C15
    Graphics Card #1EVGA GTX980 SC
    MonitorASUS PB258Q WQHD
    Storage #1Samsung 850EVO 250GB M.2
    Storage #2WD Blue 1TB WD10EZEX SATA3 (2x)
    CPU CoolerCM Hyper 212 EVO
    CasePhanteks Enthoo Pro M
    Power SupplyEVGA SuperNOVA 650 P2
    Keyboard Corsair Vengeance K65 Compact
    Mouse Razer DeathAdder Chroma
    Headset HyperX Clod II
    Mouse Pad Razer Sphex
    OS Windows 10 Pro x64
    sahafiec's Avatar
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    Unhappy

    hi Nate152,

    thanks for commenting on the topic.

    that was exactly what I thought while I was searching for ram and ended up at Corsair.

    just to make sure I checked the Asus Z170 Gene Dram QVL and saw this:





    then I started Corsair's official Memory Finder just to find this:





    so one of them, Corsair or Asus, is really messing around but which one?!

    unfortunately I don't have a spare ram I can play with, neither a friend of mine has one I could borrow.
    so I'll have to buy one just to be able to test, additionally there is not much choice at that speed in the motherboard QVL list.

    so I'm really a bit frustrated right now...

  4. #4
    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 4025MHz 17-17-17-39-2T
    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 SupplyEVGA Supernova 1600w Titanium
    Keyboard Cyberpower Skorpion K2
    Mouse Razer Basilisk
    Headset Sennheiser HD6XX / Modmic 5
    OS Windows 10 Home 64 bit
    Accessory #1 Asus optical drive
    Accessory #2 Koolance ERM-2K3U
    Nate152's Avatar
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    OK they have listed on there the blue kit and it says for x99 boards too, see what I mean about the confusion? If Asus says it will work then it should work but Corsair says it's for x99, they don't mention z170. When looking at ram always go by the ram manufacturers QVL list.

    I still would try another ram kit designed for z170.

    Here's the blue kit:

    http://www.corsair.com/en-us/vengean...gx4m4a2400c14b

  5. #5
    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 4025MHz 17-17-17-39-2T
    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 SupplyEVGA Supernova 1600w Titanium
    Keyboard Cyberpower Skorpion K2
    Mouse Razer Basilisk
    Headset Sennheiser HD6XX / Modmic 5
    OS Windows 10 Home 64 bit
    Accessory #1 Asus optical drive
    Accessory #2 Koolance ERM-2K3U
    Nate152's Avatar
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    Use the Corsair memory finder it's basically the same as a QVL list and you'll see what comes up for the maximus viii gene.

    Select Motherboard - Asus - Maximus VIII Gene then click Go.

    http://www.corsair.com/en-us/memory-finder

  6. #6
    ROG Guru: White Belt Array sahafiec PC Specs
    sahafiec PC Specs
    MotherboardAsus Z170 Gene
    ProcessorIntel i5 6600K
    Memory (part number)CMD16GX4M2A2666C15
    Graphics Card #1EVGA GTX980 SC
    MonitorASUS PB258Q WQHD
    Storage #1Samsung 850EVO 250GB M.2
    Storage #2WD Blue 1TB WD10EZEX SATA3 (2x)
    CPU CoolerCM Hyper 212 EVO
    CasePhanteks Enthoo Pro M
    Power SupplyEVGA SuperNOVA 650 P2
    Keyboard Corsair Vengeance K65 Compact
    Mouse Razer DeathAdder Chroma
    Headset HyperX Clod II
    Mouse Pad Razer Sphex
    OS Windows 10 Pro x64
    sahafiec's Avatar
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    that's what I see as well, the second and third picture are taken from the Corsair Memory Finder.
    it suggest for the Z170 Gene exactly the rams that I have isses with: CMK16GX4M4A2400C14

    although in the description the ram seems optimized for X99, it's suggested by the Corsair Memory Finder.
    so why is Corsair suggesting me a ram that is not ment for my motherboard?!

  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 4025MHz 17-17-17-39-2T
    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 SupplyEVGA Supernova 1600w Titanium
    Keyboard Cyberpower Skorpion K2
    Mouse Razer Basilisk
    Headset Sennheiser HD6XX / Modmic 5
    OS Windows 10 Home 64 bit
    Accessory #1 Asus optical drive
    Accessory #2 Koolance ERM-2K3U
    Nate152's Avatar
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    I have no idea, I know when I checked your maximus viii gene with the corsair memory finder four ram kits cam up, two were for 100 chipsets (z170) and two were for x99 and 100 chipsets.

    None came up that said for just x99.

    So what you should have got is one of those four kits that came up using the corsair memory finder.

    I think this is where the problem lies with your ram, you were misinformed and got the wrong kit.

  8. #8
    ROG Guru: White Belt Array sahafiec PC Specs
    sahafiec PC Specs
    MotherboardAsus Z170 Gene
    ProcessorIntel i5 6600K
    Memory (part number)CMD16GX4M2A2666C15
    Graphics Card #1EVGA GTX980 SC
    MonitorASUS PB258Q WQHD
    Storage #1Samsung 850EVO 250GB M.2
    Storage #2WD Blue 1TB WD10EZEX SATA3 (2x)
    CPU CoolerCM Hyper 212 EVO
    CasePhanteks Enthoo Pro M
    Power SupplyEVGA SuperNOVA 650 P2
    Keyboard Corsair Vengeance K65 Compact
    Mouse Razer DeathAdder Chroma
    Headset HyperX Clod II
    Mouse Pad Razer Sphex
    OS Windows 10 Pro x64
    sahafiec's Avatar
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    can you attach a screenshot of your search results please?

    I wonder why I'm getting different result for the same search.

    choosing 16GB (4x4GB) in the results always leads me to the result I posted as picture nr. 3 previously.
    being CMK16GX4M4A2400C14, CMK16GX4M4A2400C14R and CMK16GX4M4A2400C14B.
    and all three kits are obviosly X99 only, still being suggested for the Z170 Gene.

    but choosing 16GB (2x8GB) leads to kits that are X99 and X100 compatible.
    Last edited by sahafiec; 02-26-2016 at 08:42 AM.

  9. #9
    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 4025MHz 17-17-17-39-2T
    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 SupplyEVGA Supernova 1600w Titanium
    Keyboard Cyberpower Skorpion K2
    Mouse Razer Basilisk
    Headset Sennheiser HD6XX / Modmic 5
    OS Windows 10 Home 64 bit
    Accessory #1 Asus optical drive
    Accessory #2 Koolance ERM-2K3U
    Nate152's Avatar
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    Give me a minute I thought there were only four kits but there are twenty 4x4GB kits, I will post them all.

  10. #10
    ROG Guru: White Belt Array sahafiec PC Specs
    sahafiec PC Specs
    MotherboardAsus Z170 Gene
    ProcessorIntel i5 6600K
    Memory (part number)CMD16GX4M2A2666C15
    Graphics Card #1EVGA GTX980 SC
    MonitorASUS PB258Q WQHD
    Storage #1Samsung 850EVO 250GB M.2
    Storage #2WD Blue 1TB WD10EZEX SATA3 (2x)
    CPU CoolerCM Hyper 212 EVO
    CasePhanteks Enthoo Pro M
    Power SupplyEVGA SuperNOVA 650 P2
    Keyboard Corsair Vengeance K65 Compact
    Mouse Razer DeathAdder Chroma
    Headset HyperX Clod II
    Mouse Pad Razer Sphex
    OS Windows 10 Pro x64
    sahafiec's Avatar
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    it would be enough to choose 2400MHz at the left bottom as I don't need higher speed rated rams.

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