MacPro (early 2015) Thunderbolt 2 port

In short, My MacPro (early 2015) has thunderbolt 2 port and my Samsung LC34J791WTUXEN Monitor has Thunderbolt 3 and came with the thunderbolt 3 cable.

I try to find an adaptor to connect this monitor to my old MacPro.

I've been in touch with Samsung and they don't recommend any adaptor.

Is there any reliable adaptor on the market?


I keep my fingers crossed and hope that the answer is not to buy a new Mac :)

Posted on Dec 6, 2020 11:43 AM

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Posted on Dec 6, 2020 12:37 PM

The Apple ThunderBolt-3 <--> ThunderBolt-2 adapter has a Male ThunderBolt-3 end, useless with a captive display cable.


The display does not have an alternative Thunderbolt -3 port, but it does have DisplayPort.


Ignore the captive Thunderbolt cable and use a Mini DisplayPort to DisplayPort cable, rated for "4K" or better.

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Question marked as Top-ranking reply

Dec 6, 2020 12:37 PM in response to Roxyfoto

The Apple ThunderBolt-3 <--> ThunderBolt-2 adapter has a Male ThunderBolt-3 end, useless with a captive display cable.


The display does not have an alternative Thunderbolt -3 port, but it does have DisplayPort.


Ignore the captive Thunderbolt cable and use a Mini DisplayPort to DisplayPort cable, rated for "4K" or better.

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MacPro (early 2015) Thunderbolt 2 port

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