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    Can Thunderbolt 3 have enough to pump to External Graphics AND a 10gbe?

    Discussion in 'Hardware Components and Aftermarket Upgrades' started by Jonathan Murphy, Mar 5, 2016.

  1. Jonathan Murphy

    Jonathan Murphy Notebook Enthusiast

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    I am wanting to get the Dell 5510 or something above that with the thought of adding an external graphics solution via TB3 when it comes out. I do video production and need something that's mobile but something I can hook into for more power. The problem is I also need to hook into my 10gbe switch to gain fast access to our raid. Does 1 TB3 port have the power to push to an external graphics card AND a 10gbe switch?

    Any help is appreciated!
     
  2. tilleroftheearth

    tilleroftheearth Wisdom listens quietly...

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    As usual; it depends.

    On the eGPU, the monitor(s) driven, the network load, the platform/CPU and the overall workload/type presented to the rest of the components.

    Theoretically? Sure.

    Real world? I wouldn't bet a dollar (especially on the first iteration) that it would work glitch-free, dependably and with any type of stability (especially on a Dell).
     
  3. pete962

    pete962 Notebook Evangelist

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    As far as I know the only solution to connect external video card to laptop using thunderbolt comes from Razor and that's not available yet, so we can speculate all we want, but that's all.
    Now to speculate, TB3 has theoretical limit of 40Gb/s, so if you use 10Gb for your raid, you should have 30Gb left for video, which is plenty. But in real life things are not that simple, so I would look for 2 ports and Intel has controllers that support 2 thunderbolt ports, so I would probably look for such computer instead.
     
  4. HTWingNut

    HTWingNut Potato

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    PCIe x16 3.0 is 32 GB/sec (or 256 Gbps). Not sure how well any modern video card will fare even with 40 Gbps. To be at 40 Gbps you're looking at PCIe 1.1 x16 or PCIe 2.0 x8 or PCIe 3.0 x4
     
  5. Kirrr

    Kirrr Notebook Deity

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    I have an eGPU solution with Expresscard Gen.2 (5Gbps) with a GTX760. 85% of the power is here, even with this kind of old technology
     
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  6. HTWingNut

    HTWingNut Potato

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    Right. But 85% of a GTX 760 is equal to a GTX 960m laptop GPU. I understand the concept, but it just seems to be like buying a Corvette with a V8 and limited to driving 70MPH.

    This graph shows limits of desktop GTX 680 on different buses: http://www.techpowerup.com/reviews/Intel/Ivy_Bridge_PCI-Express_Scaling/23.html

    That's desktop GTX 680, if you plug a modern GPU in there, like a 980 Ti you'll be running at no better than a desktop GTX 680 or modern GTX 960 which can be more or less realized with mobile GTX 970m.
     
  7. pete962

    pete962 Notebook Evangelist

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    I think you're confusing PCIe 3 with 4. I think 256 Gbps is spec for upcoming PCIe 4, with release date after 2017. So right now the highest data rate is about 126Gbps. And hooking up $1000 Titan x to laptop like Dell 5510 with dual core cpu would not make any sense, since CPU would be a bottleneck, not to mention impossible, since Dell 5510 does not even have USB3, not to mention Thunderbolt. I think OP is looking for some business class everyday computer with option to turn it into midrange gaming rig with external gtx 960 or 970 class video card and thunderbolt should be more than enough to handle that. On the other hand, I do agree, for extreme gaming, dedicated gaming laptop with proper high end video card on board would make more sense.
     
  8. Kirrr

    Kirrr Notebook Deity

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    You are right, but my whole setup (notebook + adapter + vga) was like 450 USD. And If I want I can pop in a Titan X or anything I want.

    Plus, here where I live a 960m laptop costs more than 1200 USD...
     
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  9. Jonathan Murphy

    Jonathan Murphy Notebook Enthusiast

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    You are all wrong on the details about the 5510. First off the Precision 5510 has a quad core xeon or i7 processor and it also has 1 thunderbolt 3 port. More than enough for a titan x to do a lot of work for you.
     
  10. tilleroftheearth

    tilleroftheearth Wisdom listens quietly...

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    See:
    http://www.cpubenchmark.net/compare.php?cmp[]=2659&cmp[]=2637


    'More than enough' may be a little optimistic.

    Yeah, sufficient (mobile) compute power, but nowhere near what an Titan X can leverage on a fully maxed out (desktop) system.

    See:
    http://www.cpubenchmark.net/compare.php?cmp[]=2659&cmp[]=2368


    Overkill? Possibly. :)

    But one doesn't know where they are if they don't know where they could be. ;)

     
  11. TomJGX

    TomJGX I HATE BGA!

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    If it works for you then it's perfect.. GJ and enjoy your rig :)
     
  12. pete962

    pete962 Notebook Evangelist

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    Blame it on Dell, I had 5510 and it appears they have new model also numbered 5510, with totally different specs and actually there are different CPUs available on it as well with i5 as one of the options, which used to be 2 core and now it's 4 core but without multithreading. I think OP should wait until at least Razor comes out with thunderbolt box, since running 10Gbe switch and graphics of the same thunderbolt port could be a can of worms and there is no way to test it yet.