A monitor that offers DisplayPort via Thunderbolt 3 (at up to 5K) uses the same USB-C connector, but only works with Thunderbolt 3 Macs, as the DisplayPort data is encapsulated as part of Thunderbolt 3’s data stream.īut there may still be a problem with 12-inch MacBooks. The 13-inch and 15-inch MacBook Pros with Thunderbolt 3 support DisplayPort either over USB-C or as a mode within Thunderbolt 3! So a monitor that offers DisplayPort over USB-C (at up to 4K) can work with any Mac with USB-C, because all of those models support DisplayPort over USB-C. Apple opted to include DisplayPort’s alternate mode with the 12-inch MacBook (20). Which modes a computer or other device can use depends on the controller. The USB-C standard for connecting devices includes USB 2 and 3, but allows for a bunch of extras, including DisplayPort, which are called alternate modes. The Apple Thunderbolt Display used Thunderbolt 2 to connect to a Mac and deliver via the monitor FireWire 800, ethernet, USB, a camera, mic, and speakers. The connector looks identical to Mini DisplayPort, but a Thunderbolt 2 controller and port could handle either a DisplayPort-only monitor or a Thunderbolt 2-supporting monitor, such as theĪpple Thunderbolt Display, sold from 2011 to 2016. Thunderbolt 2 rolled up a form of PCI Express data plus video using DisplayPort, and could support other kinds of data formats, like FireWire, through adapters or docks.
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