MacBook Air, MacBook Pro, iMac, and Mac mini now give you access to a world of high-speed peripherals and high-resolution displays with one compact port. That’s because Thunderbolt is based on two fundamental technologies: PCI Express and DisplayPort.
And because Thunderbolt is based on DisplayPort technology, the video standard for high-resolution displays, any Mini DisplayPort display plugs right into the Thunderbolt port. To connect a DisplayPort, DVI, HDMI, or VGA display, just use an existing adapter or cable from below.