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The unibody model debuted in October 2008 in 13- and 15-inch variants, with a 17-inch variant added in January 2009.

Later revisions added Intel Core 2 Duo processors and LED-backlit displays. The 15-inch model was introduced in January 2006 the 17-inch model in April. The first MacBook Pro used an aluminum chassis similar to the PowerBook G4, but replaced the PowerPC G4 chips with Intel Core processors, added a webcam, and introduced the MagSafe power connector. The MacBook Pro line launched in 2006 as an Intel-based replacement for the PowerBook line. It was the higher-end model of the MacBook family, sitting above the consumer-focused MacBook Air, and was sold with 13-inch to 17-inch screens. The Intel-based MacBook Pro is a discontinued line of Macintosh notebook computers sold by Apple Inc.