Thunderbolt 3 Pro Cable: Is the connector profile a rounded rectangle or a “racetrack“ oval shape?

The diagram in this article about the tech spec of the Thunderbolt 3 Pro Cable shows the profile of the connector housing (pictured) as being a rounded rectangle. Is that right?



I ask because some peripherals recess the Thunderbolt 3 socket (i.e. Universal Audio Apollo x desktop interfaces – pictured) and a rectangular housing will not fit!


iMac 27″, macOS 11.2

Posted on Apr 24, 2021 12:58 PM

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Apr 24, 2021 2:34 PM in response to den.thed

The problem is not my computer. I have a 27" iMac 2020. It has two Thunderbolt 3 sockets.


I am asking about the profile of the connector housing on the Apple Thunderbolt 3 Pro cable. The diagram on their tech note (see below) for the cable shows it as being a rounded rectangle profile but I need it to be a “racetrack” oval profile. I think Apple’s diagram is WRONG, but I want to make sure before I order the cable. Do you see? Do you know the answer?


Apple tech note: https://support.apple.com/en-us/HT210997

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Thunderbolt 3 Pro Cable: Is the connector profile a rounded rectangle or a “racetrack“ oval shape?

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