Ram Overclocking

Discussion in 'Die-hard Overclocking & Case Modifications' started by rap1021, Apr 7, 2021.

  1. rap1021

    rap1021 Master Guru

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    Hello,

    I have these G.skill 2x8gb sticks with default xmp profile 3600mhz at 1.35v 17-18-18-38
    Earlier with my 7700k, I couldn't overclock these to even 3800mhz.
    But now since I upgraded my system with i9 10850k and Asus Z590-E, I can get the ram to 4266 mhz at 1.45v.
    Here are the stable clocks and voltages-

    3600mhz @ 1.35v

    4000mhz @ 1.40v

    4266mhz @ 1.45v

    So, my question is, is it safe to run these sticks at 1.45v 24/7.
    I have run bunch of stability test including aida64, prime 95 and even real world testing in games. and haven't had a crash or bsod, yet.
    These sticks have Samsung B die.
     
  2. chinobino

    chinobino Maha Guru

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    Yes, Samsung B-die are fine to run 24/7 up to 1.50 V (used in some 4600 XMP kits) as long as your case has decent airflow.

    Can you post a screenshot of your timings at 4266 MHz with ASRock Timing Configurator?

    Could you also please post a screenshot of your bandwidth using AIDA64 Cache and Memory benchmark?
     
  3. Sylencer

    Sylencer Member Guru

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    24/7 1.5v shouls be fine, althought i had issues with it..

    I had one kit of F4-4000C15Q-32GTZR when i built my new pc. Was running default XMP on my Z490 Asus XII Formula. RAM was on both QVL Lists. Died on me after barely half a year. Performance was degrading and BSODs happened from once a month up to daily. Happened to me twice already that G.Skill Kits died on default XMP on supported Mainboards.

    Just a heads up.
     
  4. rap1021

    rap1021 Master Guru

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    Sorry for the late reply.
    I couldn't get the Asrock timing configurator to work on an ASUS motherboard
    but here are the results for cache and memory benchmark for both 3600mhz and 4266 mhz.
     

    Attached Files:

    chinobino likes this.

  5. chinobino

    chinobino Maha Guru

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    Thanks for those screenies, nice bandwidth and latency at 4266.

    I would really like to see your timings, can you please try Asus MemTweakit and take some screenshots of of the tabs with Timings #1 and Timings #4?

    I am going to try for 4266 MHz on my Z370 and 9900KS this weekend and would really appreciate the screenshots to make a comparison.
     
  6. Arctucas

    Arctucas Ancient Guru

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    NB clocks are kind of low, especially the first screenshot.
     
  7. rap1021

    rap1021 Master Guru

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    Here you go.
     

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