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How thunderbolt 3 USB-C is able to provide 40 Gbit/s?

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Mohammednt0    0

According to Thunderbolt site they claim that TB3 can provide speed Up To 40 Gbit/s !

But TB3 USB-C is configured with 4 PCIe lane designs which can provide only 32 Gbit/s ! (according to wikipedia)

So there is a bottleneck here !! TB3 USB-C should not be able to throughput more than 32 Gbit/s so how they are saying 40 Gbit/s !?

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virtorio    2,942

I don't know all that much about this, but I believe the DisplayPort and USB 3.1 lanes are different, so when you include those, that's where your 40 Gbps limit comes into play.

 

Edit: with literally < 10 seconds of Googling, I found this PDF which explains it all - https://thunderbolttechnology.net/sites/default/files/Thunderbolt3_TechBrief_FINAL.pdf

Edited by virtorio

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Mohammednt0    0

that's what i thought , thanks a lot for your reply

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