Function: It transmits audio and video signals from a source to a display.
Compatibility: It is compatible with Thunderbolt ports but Thunderbolt devices will not work with a Mini DisplayPort computer.
Resolution: It can support resolutions up to 2560×1600 (WQXGA) or 4096×2160 (4K) depending on its implementation.
Usage: It is commonly used on laptops and other small devices.
Adapter: With an adapter, it can connect to displays with VGA, DVI, or HDMI interfaces.