A correction: Thunderbolt 2 can go up to 20Gbits/s not 20GBytes/s. Thunderbolt u... | Hacker News

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reportingsjr on June 10, 2013 | parent | context | favorite | on: Mac Pro

A correction: Thunderbolt 2 can go up to 20Gbits/s not 20GBytes/s. Thunderbolt uses a 4x PCI-E 2.0 connection.

Things like graphics cards use 16x PCI-E 3.0 at this point which is 128Gbits/s.

kbuck on June 10, 2013 [–]

Actually, a 16x PCIe 3.0 slot can do ~128Gbit/s each way - ~256Gbit/s in total[1].

[1]: http://www.pcisig.com/news_room/faqs/pcie3.0_faq/#EQ3

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