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Ijikona Author

Level 1

4 points

Which is preferable using thunderbolt 3 or 4 for time machine backup to new iMac

What is preferable for data transfer to new iMac; Thunderbolt 3 or 4

iMac Line (2012 and Later)

Posted on Feb 16, 2022 5:14 PM

Top-ranking reply

Michael Black

Level 10

80,430 points

Posted on Feb 16, 2022 5:39 PM

Doesn’t matter if the TM drive is a native TB 3 or 4 device as both support the max transfer of 40 Gbps. The speed difference is only over PCIe where TB 4 is theoretically twice as fast as TB 3.

TB 4 does support longer cables though (I think up to 2m ?).

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Which is preferable using thunderbolt 3 or 4 for time machine backup to new iMac

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