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Please help choosing the right DDR4 64GB (2X32) kit for 5950X

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  • Please help choosing the right DDR4 64GB (2X32) kit for 5950X

    Hi all experts,

    I would like to build the system that support Unraid with VMs sever on miTX platform and it should be stable enough to run 24/7 without any issues. My platform consists of
    - AMD Ryzen 9 5950X
    - ASUS X570 ROG STRIX-I GAMING Motherboard
    - AMD Radeon Pro WX 5100 GPU
    - 64GB of DDR4 ???? (Not make decision yet)

    I would like to play safe so my plan is to OC my Unraid sever to its maximum stable limit which should be at 1900MHz FCLK/ 3800MHz MCLK, since at 2000/4000MHz seems pretty rely totally on luck.
    But I still have a reluctance on which G.Skill 64GB (2 x 32) DDR4 kit I should base on. And there are only 3 available high capacity DDR4 options from G.Skill 64GB kits

    1. G.Skill Trident Z Neo 64GB (2 32) DDR4 3600MHz CL16-22-22-42
    F4-3600C16D-64GTZN, (G.Skill QVL has my Mobo).
    2. G.Skill Trident Z Neo 64GB (2 32) DDR4 3800MHz CL18-22-22-42
    F4-3800C18D-64GTZN, (G.Skill QVL has my Mobo).
    3. G.Skill Trident Z Neo 64GB (2 32) DDR4 4000MHz CL18-22-22-42
    F4-4000C18D-64GTZN, (No G.Skill QVL).

    The email tech support suggested me that the 1st [3600/CL16] option is best. However at Newegg price scalping made this kit out of reach for my budget >$400 while the the 2nd [3800/CL18] & 3rd [4000/CL18] options are still within under $400.

    In general I should go for 4000/CL18 because it is in a higher bin than the 3800/CL18. But the problem is my mobo is not in the G.Skill QVL of the 4000/CL18, thus the DOCP profiles might not work on my mobo, so manually tweaking might be needed, in contrast the 3800/CL18 DOCP profiles should work well with my mobo since it's in the QVL.

    Could any of you guys please recommend me which one (2nd or 3rd) I should go for, or I should wait for the 1st [3600/CL16] price to come down, since it's a sweet spot for Ryzen 5950X.

    Thanks you in advance.

  • #2
    Any one will be fine, if DDR4-4000 is unstable or if you prefer not to tweak, you can set it to a lower DRAM Frequency with DOCP enabled until the system can run smoothly. It can work the same like the lower frequency kits, which is definitely a better buy if price is cheaper.


    • #3
      Hi, Thanks for your suggestion.

      Newegg has recently restocked the Neo 64GB 3600/CL16 kit at the same price as the 4000/CL18 and it within my budget. Would you please make a final decision for me which kit should I go for before it will be sold out again.
      (I will manage run my system at 1900 FCLK/3800 MCLK, CL16 with DOCP enabled).

      Your prompt reply would be very appreciated.
      Thank you so much.


      • #4
        If you don't mind manual BIOS adjustment then you can go with the DDR4-4000 kit. If you prefer using DOCP only, then DDR4-3600 kit is best.


        • #5
          setup bios manualt,not use xmp ,set mem to 2T, It's my boy's pc and he does not want any overclock as the need is not there and he wants a quiet pcClick image for larger version  Name:	64GB G.Skill TridentZ RGB DDR4 4000Mhz 2x32GB (F4-4000C18D-64GTZR) on AMD 5600x.jpg Views:	0 Size:	306.1 KB ID:	168252
          Last edited by Martin.v.r; 05-03-2022, 10:49 PM.