Why is still better to use Thunderbolt 3 instead of Thunderbolt 4

Posted by Marian on 12th Nov 2021

This is just a quick post to clear confusion between TB3 and TB4 connections and why TB 4 is suitable for Docks but not so good for PCIe enclosures. Please watch this excellent video from Sonnet CEO to understand the difference. He reveals how TB3 PCIe relies on four lanes, but TB4 narrows PCIe down to one lane. This fundamental difference in performance has led Sonnet to keep their expansion chassis products within the Thunderbolt 3 family. 

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