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  1. #1
    ROG Guru: Orange Belt Array rjbarker PC Specs
    rjbarker PC Specs
    MotherboardMaximus XI Extreme (BIOS 0605)
    Processor9900K @ 5.1 Ghz w EK Velocity
    Memory (part number)32 GB -Dominator Platinum 3200 Mhz CAS 16
    Graphics Card #1Evga RTX 3080 FTW3 Ultra w FC EKWB
    Sound CardOnboard Realtek
    MonitorDell Alienware 34" Ultra wide 120Hz Gsync
    Storage #1Samsung 970 Pro 512G M.2 NNMe
    Storage #2Samsung 860 Pro 512G & 256G
    CPU CoolerEK Supremacy Copper w Nickel Plating
    CaseCorsair 900D
    Power SupplyCorsair AX 1600i
    OS W10 HP x64 - 20H2
    Accessory #1 480 * 360 * 240 XSPC Radiators (15 Fans) w 4 Channel 200W Fan Controller
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    Accessory #3 Fesser Flex Tubing - Bits Power Fittings & EK SLi Terminal
    rjbarker's Avatar
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    Maximus XI Extreme Compatible 3866 to 4133 Memory Recomendations Please ;)

    Hi all....
    Looking at replacing a 2 x 16G kit of 3200 Dominator C16 for possibly 2 x 16G 4000 - 4133 C17/18......looking for some suggestions! Checked QVL and not much listed, but Im sure many have had success with a number of kits not listed...?

  2. #2
    ROG Guru: White Belt Array
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    z390 will do better with 4x8 than 2x16 if you want to run higher clocks on mem. If you want to do 2x16 I would stay around 3600 unless you are willing to do manual tuning. If you want to do 4x8 4000-4133 should be ok.

    https://www.gskill.com/product/165/1...0V32GB-(4x8GB)

    https://www.gskill.com/product/165/1...0V32GB-(4x8GB)

    https://www.gskill.com/product/165/1...0V32GB-(4x8GB)

    All of those should work with XMP

    2x16

    https://www.gskill.com/product/165/2...V32GB-(2x16GB)

    https://www.gskill.com/product/165/2...V32GB-(2x16GB)

    If you want Royal Kits just look for the same timings like 3600c16-16-16 2x16 or 4000c15-16-16 4x8

  3. #3
    ROG Guru: White Belt Array
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    Note those are higher binned kits. Since you are running Extreme I take it you want the highest performance. If you want to spend less you can get looser timings like 3600c16-18-18 or 4000c18-22-22.

    Royals 3600c16-19-19, you pay more for the "bling" https://www.gskill.com/product/165/2...V32GB-(2x16GB)

    Another nice kit with middle rode timings 17-17-17. Those 4000c15 4x8 kits will need a good IMC on the CPU.
    https://www.gskill.com/product/165/1...5V32GB-(4x8GB)
    Last edited by bscool; 05-24-2021 at 05:54 AM.

  4. #4
    ROG Guru: Orange Belt Array rjbarker PC Specs
    rjbarker PC Specs
    MotherboardMaximus XI Extreme (BIOS 0605)
    Processor9900K @ 5.1 Ghz w EK Velocity
    Memory (part number)32 GB -Dominator Platinum 3200 Mhz CAS 16
    Graphics Card #1Evga RTX 3080 FTW3 Ultra w FC EKWB
    Sound CardOnboard Realtek
    MonitorDell Alienware 34" Ultra wide 120Hz Gsync
    Storage #1Samsung 970 Pro 512G M.2 NNMe
    Storage #2Samsung 860 Pro 512G & 256G
    CPU CoolerEK Supremacy Copper w Nickel Plating
    CaseCorsair 900D
    Power SupplyCorsair AX 1600i
    OS W10 HP x64 - 20H2
    Accessory #1 480 * 360 * 240 XSPC Radiators (15 Fans) w 4 Channel 200W Fan Controller
    Accessory #2 XSPC Photon Rez / Vario Pump combo
    Accessory #3 Fesser Flex Tubing - Bits Power Fittings & EK SLi Terminal
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    I havae a great OC on my 9900k ....I have always been under the impression far better OC'ing results running 2 Sticks vs populating all 4 slots (hence the 2*16G vs 4*8G)......have something changed with the Memory data transfer / IMC I'm not aware of?
    You guys saying bettor off populating 4 slots vs 2 .....

  5. #5
    ROG Guru: White Belt Array
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    I am not talking about CPU OC. Mem OC daisy chain vs t topology. z390 t z490 and z590 daisy. Hence z390 higher memory OC with 4 stick and z490/z590 with 2. Look at your MB QVL and you see the higher mem clocks(with tight timings) are 4 sticks. That is why. Or look at gskill site in the ram compatibility list and 2x16 vs 4x8 what they show as compatible.

    I have owned all the platforms and can tell you from using them your life will be easier trying to run 4x8 than 2x16 if you want to run 4000mhz+ on memory on z390 4 dim MB.

    Buy a 4000+ 2x16 and see what happens
    Last edited by bscool; 05-24-2021 at 09:24 PM.

  6. #6
    Administrator Array Silent Scone@ROG's Avatar
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    Hello,

    1) It's best to tune to the maximum obtainable ratio at CR1

    2) Anything beyond 3800-3866 will need to be ran at CR2

    3) ROG Z390 boards are all T-Topology which means the board works in favour of populating all DIMMs

    4) Anything beyond 4K is still tough with 4 DIMMs on 4 DIMM boards and may well require manual input.

  7. #7
    ROG Guru: Yellow Belt Array Braegnok PC Specs
    Braegnok PC Specs
    MotherboardAsus Maximus XII Extreme
    ProcessorIntel Core i9-10900K
    Memory (part number)F4-4000C15Q-32GVK
    Graphics Card #1Nvidia RTX 3090 FE
    MonitorAsus Swift PG32UQX
    Storage #1Samsung 970 Pro
    CPU CoolerOptimus Signature V2
    CaseTT A700 TG
    Power SupplyCorsair AX1600i
    Keyboard Das Keyboard 4 Ultimate
    Mouse G502 Lightspeed
    Headset SteelSeries Arctis Pro
    OS Windows 11 Pro
    Braegnok's Avatar
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    I ran G.SKILL 4x8 4000C15 kit in Z390 M11E board, used XMP 1 profile and never had any issues.

    Running the same kit in Z490 M12E board now, no issues with XMP 1 profile. Only thing I adjust is tRFC and tREFI. https://www.3dmark.com/fs/25543783

    XMP 1 profile 24/7 settings.

    Click image for larger version. 

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    The A1 10-layer B-die modules do vary well running full slots.

    Click image for larger version. 

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  8. #8
    Administrator Array Silent Scone@ROG's Avatar
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    4x8GB 4266 on the Formula and 9900K. All sub timings board controlled with XMP profile enabled.

    Click image for larger version. 

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    Last edited by Silent Scone@ROG; 05-25-2021 at 12:54 PM.

  9. #9
    ROG Guru: Yellow Belt Array Braegnok PC Specs
    Braegnok PC Specs
    MotherboardAsus Maximus XII Extreme
    ProcessorIntel Core i9-10900K
    Memory (part number)F4-4000C15Q-32GVK
    Graphics Card #1Nvidia RTX 3090 FE
    MonitorAsus Swift PG32UQX
    Storage #1Samsung 970 Pro
    CPU CoolerOptimus Signature V2
    CaseTT A700 TG
    Power SupplyCorsair AX1600i
    Keyboard Das Keyboard 4 Ultimate
    Mouse G502 Lightspeed
    Headset SteelSeries Arctis Pro
    OS Windows 11 Pro
    Braegnok's Avatar
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    4x8GB 4266 on M12E all timings in Auto,.. is stable but would need tuned as training is vary loose in Auto.

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    4x8GB 4400 on M12E all timings in Auto is also stable,.. seems to train better than 4266, but still would need tuned.

    Click image for larger version. 

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    4x8GB 4500 boots Windows with all timings in Auto but is not stable. Would require manual input for stability, VCCIO/SA voltage caps adjusted.
    Last edited by Braegnok; 06-05-2021 at 02:06 AM.

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