The MacBook Pro is a line of Macintosh portable computers introduced in January 2006 by Apple Inc., and now in its third generation. Replacing the PowerBook G4, MacBook Pro and was the second model, after the iMac, to be announced in the Apple–Intel transition. It is also the high-end model of the MacBook family and is currently produced with 13- and 15-inch screens, although a 17-inch version has been offered previously.
