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Thread: New Rampage VI

  1. #1
    ROG Guru: White Belt Array
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    New Rampage VI

    Hi upgraded to x299 RAMPAGE VI,i7-7800X,Memory Model CMW32GX4M4C3000C15
    can anyone help why my memory writes are very low bios everything default except xmp enable and cms disable
    thanks
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    Asus Rampage VI Extreme / Intel I9-7940X / Corsair H115i Pro / CORSAIR Vengeance RGB Pro 32GB (4 x 8GB) 3000MHz / EVGA GeForce GTX 1080 Ti FTW3 ELITE GAMING BLACK Edition / 2x Samsung 970 Pro NMVe 1GB / 4x Samsung 850 PRO - 2TB / Asus ROG Swift PG348Q / Corsair AX 1500i / Thermaltake View 71 RGB PC Case /Win 10 PRO x64

  2. #2
    Administrator Array Silent Scone@ASUS's Avatar
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    Hi, this is due to sub timings and cache hierarchy on SKL. To improve memory performance, tune the sub timings and overclock the mesh multiplier. You can try using Maximus Tweak modes and memory profiles available for the board within the UEFI. *

    Most CPU for mesh will do a multiplier of 30 at between 1 and 1.15v, although be aware voltage to this rail will increase CPU temperature.

  3. #3
    ROG Guru: White Belt Array
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    didn't sweat it purchase a I9-7940X now my writes are over 70000 MB/s now if i can keep my samsung 970 NVMe below 50 degress it be nice hitting in upper 60's not good maybe i put it in dimm2 with a fan
    Asus Rampage VI Extreme / Intel I9-7940X / Corsair H115i Pro / CORSAIR Vengeance RGB Pro 32GB (4 x 8GB) 3000MHz / EVGA GeForce GTX 1080 Ti FTW3 ELITE GAMING BLACK Edition / 2x Samsung 970 Pro NMVe 1GB / 4x Samsung 850 PRO - 2TB / Asus ROG Swift PG348Q / Corsair AX 1500i / Thermaltake View 71 RGB PC Case /Win 10 PRO x64

  4. #4
    ROG Guru: Yellow Belt Array Mr. Fox PC Specs
    Mr. Fox PC Specs
    Laptop (Model)- NA -
    MotherboardEVGA X299 Dark
    Processori9-7960X @ 5.2GHz
    Memory (part number)32GB Corsair LPX DDR4-4000 @ 4200
    Graphics Card #1EVGA RTX 2080 Ti xC2 Ultra Gaming
    MonitorPredator XB271HU 2560x1440 165Hz
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    Storage #2960GB Samung Enterprise NVMe SSD x 2 | 2TB HDD
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    Mouse SteelSeries Sensei Wireless
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    Mouse Pad Black Anodized Aluminum
    Headset/Speakers Logitech Z506 5.1 Speaker System
    OS W10 Ent LTSB 2016 / W7 Ultimate (Dual Boot)
    Accessory #1 Hailea HC-500A 1/2HP~790Watt Water Chiller
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    If you play around with the timings and voltage, you can improve the performance. Using manual settings and voltage rather than XMP often produces better results. I am able to run my Corsair LPX 4000 at CL14 and the read/write/copy speeds are really good. If you try to be too conservative with the voltage the memory speeds will not be optimal.
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