Mac computers that have an HDMI port comply with HDMI 1.4b and support: Mini DisplayPort: Connects to HDMI using a third-party Mini DisplayPort to HDMI adaptor or cable.USB-C or Thunderbolt 3 (USB-C) port: Connects to HDMI using an adaptor, such as the Apple USB-C Digital AV Multiport Adaptor.HDMI port: Connects directly to HDMI using an HDMI cable.Learn how to identify the ports on your Mac. Mac computers that have any of the following ports can connect to HDMI devices.