How to power four simultaneous screens with the Retina MacBook Pro
The new MacBook Pro with Retina display has many noteworthy features, from a unique 2,880x1,800-pixel screen to new Nvidia graphics to large SSD storage options. But, the most surprising may be the multiple video outputs -- something not seen on a MacBook before now.
The last several generations of MacBook have had either a mini-DisplayPort or combo Thunderbolt/DisplayPort jack. HDMI has been on our most-wished-for lists for years, so Apple finally adding HDMI (which is found on pretty every other current laptop) is a big move, especially when combined with a second Thunderbolt port.