Thunderbolt 3: It offers speeds up to 40 Gbps but may support lower specifications depending on the length. It supports charging up to 100W and displays up to 2x 4K or 1x 5K.
Thunderbolt 4: Offers speeds up to 40 Gbps with guaranteed support for all devices. Supports 2x 4K displays or 1x 8K display and requires a minimum charging power of 15W.
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