M17x R4 - 3940XM/3920XM On stock 2 pipe heatsink?

Discussion in 'Alienware 17 and M17x' started by Crustieraxe01, Jul 2, 2020.

  1. Crustieraxe01

    Crustieraxe01 Notebook Consultant

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    I'm wondering I could pair the stock 2 pipe heatsink along with the 3920XM/3940XM with the R1 fan that is 10.55CFM and goes up to 5200RPM. Could this setup provide acceptable temps? I have heard the 3 pipe chichen pipes are a hit and miss so I'm a bit iffy on them

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  2. M18x-oldie

    M18x-oldie Notebook Evangelist

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    Yes the stock 2pipe is pretty decent, I also have this 10.55 cfm fan. OCed my xm hit around 80° C to mid 80° paired with Grizzly Kryonaut, was still ok, but then I paired it with Conductonaut and it was hitting around 70°.
     
    Last edited: Jul 2, 2020
  3. Maxware79

    Maxware79 Notebook Deity

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    There should be a Dell OEM 3-pipe that's specifically for the Extreme CPU's. Did they not make one for the M17x like the M18x?

    EDIT: Wow it doesn't look like they ever supplied one for the M17x. That's a little disappointing.
     
    Last edited: Jul 2, 2020
  4. Crustieraxe01

    Crustieraxe01 Notebook Consultant

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    Wow that seems to be a good combo with conductonaut! Seems like that will be the route that I will be taking with the faster fans and the conductonaut
     
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  5. M18x-oldie

    M18x-oldie Notebook Evangelist

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    Nope!

    As far as I am informed, top line for m17x r3/r4 were the 28xx qm and 38xx qm (no xms factory stock).
     
  6. Maxware79

    Maxware79 Notebook Deity

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    [​IMG]


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  7. M18x-oldie

    M18x-oldie Notebook Evangelist

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  8. ssj92

    ssj92 Neutron Star

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    I am using 2920XM in M14xR2....I think you will be fine :p

    Although M17xR4 has some weird power limit with XM chips as well so you probably can't even OC
     
  9. nforce4max

    nforce4max Notebook Consultant

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    Not sure if I am glad that I haven't bought and R4 after reading through this thread, no three pipes and odd limit.
     
  10. ssj92

    ssj92 Neutron Star

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    The power limit only affects OC. Running a stock XM CPU works fine although that defeats the purpose.

    GPU seems to run good in M17xR4, better than 17 R1.

    Although 17 R1 can run and OC 4930/40MX CPUs, those have a 115w GPU limit.

    So depends what you want. Or just get a M18xR2 and enjoy up to 330w combined TDP with 3920/40XM + single GPU (1070, etc.) or SLI.

    Need to desolder a chip on the M18xR2 to get over the power limit of 330w on newer boards (980M SLI+). Older configs such as 680m SLI don't have that power limit issue of course.
     
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