https://support.apple.com/en-us/HT204154 https://support.apple.com/en-us/HT204154 It says use Thunderbolt, and you can daisy-chain a display. Thus, with 1 port

https://support.apple.com/en-us/HT204154 https://support.apple.com/en-us/HT204154 It says use Thunderbolt, and you can daisy-chain a display. Thus, with 1 port you can connect two Thunderbolt displays. It also says it doesn't support more than two displays in any case.