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  1.    19 Feb 2017 #1
    Join Date : Sep 2016
    Posts : 57
    Windows 10 Pro

    Corsair RAM XMP or not?


    hi,
    I'm a first time builder.
    I built my desktop because I wanted a computer that would be strong enough to play some piano VST programs with no glitching.
    I am writing to ask please for advice about RAM.
    I have an Asus Z270F motherboard.
    I have 16 GB of Corsair LPX Vengeance 3200. it defaults to 2133 Mhz.
    I want to know 2 things.
    - what are the pro's and cons of enabling XMP?
    - should I get 16 GB more, to bring my total to 32 GB?
    my CPU is an i7 7700k.
    I have done no overclocking at all. and I was thinking of leaving the CPU at its default. the only thing I am wondering is if I should do stuff about RAM.
    I have a Corsair H80i v2 liquid cooler.
    my system drive is a Crucial MX300 M.2 525 GB SSD. my Sample library (for the piano VST programs), is installed on another drive. its an Intel 600p M.2 NVMe 512 GB SSD.
    I have Windows 10 Pro.
    thank you for any thoughts,
    Charlie
    Last edited by chasmanian; 19 Feb 2017 at 09:59.
      My ComputerSystem Spec
  2.    19 Feb 2017 #2
    Join Date : Oct 2013
    Texas
    Posts : 10,783
    Windows 10 Pro X64

    Yes, enable XMP and run the RAM at 3200

    Have a read here

    RAMing speed: Does boosting DDR4 to 3200MHz improve overall performance? - ExtremeTech
      My ComputerSystem Spec
  3.    19 Feb 2017 #3
    Join Date : Sep 2016
    Posts : 57
    Windows 10 Pro
    Thread Starter

    thank you very much.
    one more detail. I am using the Intel Integrated Graphics HD630 (I did not add a separate GPU).
    I read the article.
    is it totally cool and ok, that I enable XMP and run the RAM at 3200, even though I am not overclocking the CPU or changing any other settings?
    and do you have any thoughts about if I should increase to 32 GB of RAM?
      My ComputerSystem Spec
  4.    19 Feb 2017 #4
    Join Date : Oct 2013
    Texas
    Posts : 10,783
    Windows 10 Pro X64

    Yes, it does not matter that you dont have a dedicated GPU. If you go to 32 GB you may be lucky buying a matching set, but it;s better to buy it all at once. I do not know how intensive your piano programs are, try it with the 16GB first and see if it's needed.

    Good luck
      My ComputerSystem Spec
  5.    19 Feb 2017 #5
    Join Date : Sep 2016
    Posts : 57
    Windows 10 Pro
    Thread Starter

    thank you again very much.
    I am sincerely grateful to you.
    I have been googling, reading a bunch of stuff, including at Asus's website knowledge base.
    I have read that the CPU speed may be affected by if I enable XMP. that makes me hesitant.
      My ComputerSystem Spec
  6.    19 Feb 2017 #6
    Join Date : Oct 2013
    Texas
    Posts : 10,783
    Windows 10 Pro X64

    As long as you dont change your BLCK XMP wont change your CPU. I have the same CPU, XMP enabled does not change my CPU
      My ComputerSystem Spec
  7.    19 Feb 2017 #7
    Join Date : Sep 2016
    Posts : 57
    Windows 10 Pro
    Thread Starter

    thank you. you're awesome!!!
      My ComputerSystem Spec
  8.    19 Feb 2017 #8
    Join Date : Oct 2013
    Texas
    Posts : 10,783
    Windows 10 Pro X64

    Thank you Charlie, enjoy your new build
      My ComputerSystem Spec
  9.    19 Feb 2017 #9
    Join Date : Sep 2016
    Posts : 57
    Windows 10 Pro
    Thread Starter

    thank you very much again Dude.
    it is amazing. I'm pretty happy about it.
    thank you again.
    you're very kind to take the time to help me.
      My ComputerSystem Spec
  10.    19 Feb 2017 #10
    Join Date : Feb 2015
    Bamberg Germany
    Posts : 17,564
    Win10 Pro, Win10 Pro N, Win10 Home, Win10 Pro Insider Fast Ring, Windows 8.1 Pro, Ubuntu

    I just wanted to add, in case someone brings up the Latency issue(faster speed= more latency which is incorrect) please, you should read this article from Corsair: Memory - RAM Performance: Speed vs. CAS latency | Crucial.com



    Which is more important: speed or latency?

    Based on in-depth engineering analysis and extensive testing in the Crucial Performance Lab, the answer to this classic question is speed. In general, as speeds have increased, true latencies have remained approximately the same, meaning faster speeds enable you to achieve a higher level of performance. True latencies haven't necessarily increased, just CAS latencies. And CL ratings are an inaccurate, and often misleading, indicator of true latency (and memory) performance.
    After you read the article, you will see turning on XMP or using any presets in UEFI if you have any(MSI boards have "Memory Try it!) and use the rated speed for you sticks, be sure not to go over the rated speed though as this can either cause the PC not to be able to boot, or cause instability to the system. Fore example, mine are rated 3000MHz, I tried 3200MHz, was able to boot into Windows, and even pass all the stress tests, and benchmark programs, But.....! when I tried to run one of my virtual machines in Hyper-V I couldn't, and VM's are run "mostly" in memory.
    So again, only select the rated speed.
      My ComputersSystem Spec

 
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