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Hot!GTX 1070 Spontaneously Catches Fire

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MachoTaco24
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2021/08/01 18:37:27 (permalink)
My GTX 1070 FTW decided to bite the dust today and caught fire. I wanted to post here just to make sure if there was anything I could do and what could have happened to it. I've had zero problems with it for the past 5 years of use, but obviously, heavy utilization can add up. I've attached photos of the affected areas here: imgur.com/a/KrfLIEd
 
This came out of nowhere while playing CS:GO, not sure if it's relevant but I did some heavy video rendering yesterday. Luckily my chipset wasn't touched, and I also have a relatively new (Feb. 2021) EVGA G3 850 W PSU. Hopefully I can find a new 3080 without selling a kidney.
 
post edited by MachoTaco24 - 2021/08/01 19:02:40
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    stevenon1003
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    Re: GTX 1070 Spontaneously Catches Fire 2021/08/12 16:18:00 (permalink)
    Does the card can run after the accident or die as expected?
    #2
    Cool GTX
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    Re: GTX 1070 Spontaneously Catches Fire 2021/08/12 17:55:39 (permalink)
     
    stevenon1003
    Does the card can run after the accident or die as expected?


     
    I would not try to power up a GPU that looked like this ... photo from OP's link



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    #3
    ty_ger07
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    Re: GTX 1070 Spontaneously Catches Fire 2021/08/12 21:14:04 (permalink)
    classic multilayer ceramic capacitor failure
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    coinshark
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    Re: GTX 1070 Spontaneously Catches Fire 2021/08/27 11:49:06 (permalink)
    Woah... I've seen that in PSU's and old hard drives but never a GPU.
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    HeavyHemi
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    Re: GTX 1070 Spontaneously Catches Fire 2021/08/28 23:43:02 (permalink)
    coinshark
    Woah... I've seen that in PSU's and old hard drives but never a GPU.


    I've seen it quite a few times. Almost always in conjunction with the area being saturated with weeping pad silicone oil residue.

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    #6
    rjohnson11
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    Re: GTX 1070 Spontaneously Catches Fire 2021/09/01 02:12:35 (permalink)
    If you happen to be within warranty then an RMA is all I can suggest. 

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    #7
    XrayMan
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    Re: GTX 1070 Spontaneously Catches Fire 2021/09/05 13:02:52 (permalink)
     
    Moved to the Warranty section. Also, let us know what happened.

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    tyung87
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    Re: GTX 1070 Spontaneously Catches Fire 2021/09/05 18:54:12 (permalink)
    Wow, I wonder what what the actual culprit was?
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    ty_ger07
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    Re: GTX 1070 Spontaneously Catches Fire 2021/09/05 21:00:09 (permalink)
    tyung87
    Wow, I wonder what what the actual culprit was?

    A ceramic multilayer capacitor cracked, the plates inside shorted out, it burnt up, and burnt up the power plane next to it.  It's really obvious.  A classic and surprisingly common failure.
     
    HeavyHemi
    I've seen it quite a few times. Almost always in conjunction with the area being saturated with weeping pad silicone oil residue.

    Pure coincidence... sort of.  Silicone oil won't cause a capacitor to crack.  The reason why it appears to correlate is because thermal pads are in hot locations (and thus silicone oil is present there) and ceramic capacitors crack in hot locations due to thermal cycles creating thermal stress.  So, it isn't the silicone oil that is the problem; it's the thermal stress cracking the multilayer ceramic capacitor which is the problem.
     
     

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    HeavyHemi
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    Re: GTX 1070 Spontaneously Catches Fire 2021/09/05 22:10:57 (permalink)
    ty_ger07
    tyung87
    Wow, I wonder what what the actual culprit was?

    A ceramic multilayer capacitor cracked, the plates inside shorted out, it burnt up, and burnt up the power plane next to it.  It's really obvious.  A classic and surprisingly common failure.
     
    HeavyHemi
    I've seen it quite a few times. Almost always in conjunction with the area being saturated with weeping pad silicone oil residue.

    Pure coincidence... sort of.  Silicone oil won't cause a capacitor to crack.  The reason why it appears to correlate is because thermal pads are in hot locations (and thus silicone oil is present there) and ceramic capacitors crack in hot locations due to thermal cycles creating thermal stress.  So, it isn't the silicone oil that is the problem; it's the thermal stress cracking the multilayer ceramic capacitor which is the problem.
     
     



    You'd be surprised having done tests on this how silicone oil can degrade MLCC binders in materials at higher temperatures thus affecting...blah blah... I don't speak out my rear.   Surely I didn't need to be told why they use thermal pads.
     
    Unlike dude there, I actually worked with RVSI in characterizing substrates for warpage, Cte mismatches... , Fujitsu being one.
    post edited by HeavyHemi - 2021/09/05 22:12:55

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    #11
    ty_ger07
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    Re: GTX 1070 Spontaneously Catches Fire 2021/09/05 22:16:30 (permalink)
    HeavyHemi
    silicone oil can degrade MLCC binders in materials at higher temperatures thus affecting...blah blah...

    Have a paper you can link?  How does removing a binder material cause the plates to still make electrical connections to the ends and cause the ceramic material to disappear and the plates connect together creating a short?  Your explanation seems to describe creating an open, but the failure mechanism is a short.  Ceramic cracking due to thermal stress and shorting the plates makes way more sense for many reasons.
    #12
    rjohnson11
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    Re: GTX 1070 Spontaneously Catches Fire 2021/09/06 10:10:16 (permalink)
    Looking at the damage I don't think the card is repairable. 

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    #13
    XrayMan
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    Re: GTX 1070 Spontaneously Catches Fire 2021/09/16 19:35:00 (permalink)
     
    I don't think it's fixable either, now that I see it.

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