Is it safe to run 1.5-1.55v on ddr4 for daily use?

Discussion in 'Processors and motherboards AMD' started by icedman, Jan 21, 2019.

  1. icedman

    icedman Maha Guru

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    I have the G-skill F4-3200C16-8GVRB which uses hynix mfr die and has been stubborn to get decent speeds since day 1 i finally got it to a point where its stable at 3133mhz 16,17,16,28,58,1 @1.52v any lower is not stable tried everything from 1.35v and up. I watched a video from buildzoide where he mentions that hynix mfr keeps scaling at anywhere from 1.55-165v but he's also talking about extreme overclocking which i doubt is safe for daily use. And ive tried running lower lower volts on the ram and soc but they both make things much worse SOC right now sits at 1.164v.
     
  2. Præses

    Præses Master Guru

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    I believe I've read somewhere that AMD doesn't recommend going over 1.45V as this would decrease the life-span of the CPU-integrated memory controller significantly.
    Other concerns would be heat - do you have a direct fan blowing onto those DIMMs?

    You could always sell your memory to an Intel user and get yourself G-Skill FlareX which is optimized for the Zen platform. I run mine at 3200MHz at 14-14-14-34 without issue.
     
  3. Astyanax

    Astyanax Ancient Guru

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    should only run amd qualifieid ram on the ryzen processors, too many people blaming drives / graphics cards for what is effectively unstable memory.
     
  4. chispy

    chispy Ancient Guru

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    For daily usage the max recommended voltage is 1.50v , it is safe until 1.50v after that even 1.52v will have a detrimental effect on the dimms and also put a high strain over the other components eg. cpu and motherboard , back down a little to 1.50v or lower even if it means to downclock the memory or relax the timings for the sake of keeping your hardware alive and not fast degrading.
     

  5. Kool64

    Kool64 Maha Guru

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    I have C16 Gskill too. It's just now (hopefully) running at 3200 on my 1600X with no issues. It's been a month so far. Historically I could get it to run and pass test but some time later it would crash with a BS and refuse to boot.
     
  6. icedman

    icedman Maha Guru

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    Just purchased the FlareX kit since i needed a second kit anyways to get my secondary R5 1600 setup running again I feel dirty having payed more for my memory kit than the dam R5 2600 which is what i was trying to avoid doing. These FlareX kits are amazing but they somewhat defeat the purpose of trying to go with a cheaper AMD cpu but whatever its still cheaper than the intel alternative.
     
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  7. icedman

    icedman Maha Guru

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    This ram is pretty awesome still testing atm but 3333mhz with 1.4v and timings at stock looks to be stable.
     
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  8. Webhiker

    Webhiker Master Guru

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    For me the FlareX kit isn't the problem, since they can easily do 3466 MHz with 14-14-14-14-28-42 timings.
    My 2700X is the limit not the ram, since going higher than 3466 Mhz ram speed requires a lot more voltage to the CPU than usual.
    With 3466 Mhz ram i need to run LLC 3 on the CPU to get it stable.
    I can do a memory test to 9000% with ram speed at 3600 Mhz, but the system isn't 100% stable in games unless I turn up the
    CPU voltage a lot, which I don't want to do. Some people even do > 4000 Mhz with FlareX ... using 2v ... yikess.
     
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