Works great with my iMac Pro and 4k TV I was surprised to learn that if I want my iMac Pro to display 4k video on a second monitor I will need to buy a new adapter streams. I've already bought a Thunderbolt 3 to Thunderbolt 2 adapter, but to my surprise it doesn't transmit 4k, only 1080. On an apple, it's $69 (expensive). I found this and am very satisfied.
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