Hm370 chipset max ram speed

Discussion in 'Hardware Components and Aftermarket Upgrades' started by Brian umphrey, Mar 26, 2019.

  1. Brian umphrey

    Brian umphrey Notebook Enthusiast

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    I just bought an MSI GE75 with an 8750h on the hm370 chipset, will it handle 3000mhz?
     
  2. jaybee83

    jaybee83 Biotech-Doc

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    difficult to say. there are several factors impacting max. attainable RAM speed:

    - RAM modules (be sure to have 3000+ Mhz certified sticks at hand and know your way around timing tuning / stress & stability testing)
    - CPU IMC (every one is different, but late CPU gens shouldnt have trouble reaching 3000+)
    - Motherboard quality (impacts signal to noise ratio and thus attainable stability at given speeds)

    the first two you can influence by adjusting VDIMM voltage, timings (RAM sticks), or VCCIO and VCCSA voltages (CPU IMC), but the motherboard u cannot influence in any way. However, in order to limit the mobo impact, you can do the following: if your machine sports four RAM sockets, only use two of them and choose the ones physically closest to the CPU socket. the less RAM sticks ure dealing with and the closer they are to the CPU, the higher the chance of attaining high RAM speeds.

    Have fun tuning! :)
     
  3. chumacher

    chumacher Notebook Enthusiast

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    atleast i was able to overclock my ddr4 2666mhz sticks to 3200mhz.
    everyday i use 3000mhz cl 16-17-17 1.25v (asus rog strix with unlocked bios)
     
  4. jaybee83

    jaybee83 Biotech-Doc

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    thats a pretty solid ram OC for laptops.

    Sent from my Huawei Mate 20 X EVR-AL00 using Tapatalk
     
  5. chumacher

    chumacher Notebook Enthusiast

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    i'm curios.. those 3800mhz so-dimm sticks from G.skill, could they work?
    what do you think?
     
    Last edited: Dec 13, 2019
  6. jaybee83

    jaybee83 Biotech-Doc

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    sure they will work, question is at what speed :) so far ive only been able to push them to 3400 Mhz on my system, and there are a total of TWO users out there having been able to push RAM to higher clocks than this (3600 and 3700 mhz, respectively). at around 3000/3200 mhz and up things start to get very tricky when it comes to RAM OC in laptops...
     
  7. chumacher

    chumacher Notebook Enthusiast

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    what kinda latencies could you expect... lets say with 3200mhz clocks with those 3800mhz G.Skill sticks (my laptop is able to 3200mhz, after that it's only black screen (atleast with my ddr4 sticks..)
     
  8. jc_denton

    jc_denton V̖̟en̰g̻̼̰̩͙ea̲n̪c̭e̼ ͍̘̤͓̟̤Is̙͔ ̤Mi̻̭̣͎͍ͅn̰ḙ

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    3800Mhz sticks should be able to run 3200 at much tighter timings.
     
    Papusan likes this.
  9. chumacher

    chumacher Notebook Enthusiast

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    yeah, but are we talking like cl11 or cl14?
     
  10. jaybee83

    jaybee83 Biotech-Doc

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    your guess is as good as anybody's.... its sooo heavily dependent on the various subtimings / their relations to each other / VDIMM voltage and mobo traces.... its just all voodoo in the end, RAM tuning that is :p
     
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