Does this support Thunderbolt 3? null

Yes, it is backward compatible.

says you need a tbt4port in laptop but the 4 works backward with 3s.

Thunderbolt 4 is downward compatible as long as you have USB-C style USB-3/TBT-3 ports. Speed and power transfer capacity is less for TBT3. Mini DisplayPort connector also known as Thunderbolt 2 is square (about 1/2 as wide as USB-A) with 2 angled corners as “keys” to prevent mis-plugging it in upside down.

Supposedly Thurderbolt 4 cable will do Thunderbolt 3. I had a thunderbolt 3 device that worked with this. Thunderbolt 3 is just slower than Thunderbolt 4. it's the same connector, basically USB-c.

Yes it does. No difference in connector or cable spec, the thunderbolt 4 standard is all changes on the host hardware. A Thunderbolt 3 cable will also work as Thunderbolt 4, and vice versa.

Yes, Thunderbolt 4 cables are fully backwards compatible with thunderbolt 3 and USB-C 2 and 3 ports.

“Does this support Thunderbolt 3?”

Asked by Anonymous 2 years ago

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Insignia™ - 3.28ft (1m) Thunderbolt 4 cable, USB-C to USB-C Cable Supports 8K Display / 40Gbps Data Transfer / 240W Power Delivery - Black/Gray-Front_Standard

1-7 of 7 Answers

Yes, it is backward compatible.
Answered by Wyotraveler 2 years ago
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says you need a tbt4port in laptop but the 4 works backward with 3s.
Answered by JudithR 2 years ago
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Thunderbolt 4 is downward compatible as long as you have USB-C style USB-3/TBT-3 ports. Speed and power transfer capacity is less for TBT3. Mini DisplayPort connector also known as Thunderbolt 2 is square (about 1/2 as wide as USB-A) with 2 angled corners as “keys” to prevent mis-plugging it in upside down.
Answered by StephenL 2 years ago
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Supposedly Thurderbolt 4 cable will do Thunderbolt 3. I had a thunderbolt 3 device that worked with this. Thunderbolt 3 is just slower than Thunderbolt 4. it's the same connector, basically USB-c.
Answered by JustJoe 2 years ago
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Yes it does. No difference in connector or cable spec, the thunderbolt 4 standard is all changes on the host hardware. A Thunderbolt 3 cable will also work as Thunderbolt 4, and vice versa.
Answered by Bridri 2 years ago
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Yes, Thunderbolt 4 cables are fully backwards compatible with thunderbolt 3 and USB-C 2 and 3 ports.
Answered by unknownbuyer 2 years ago
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Yes
Answered by Chaohui 2 years ago
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