MacBook Pro 16" 2021
MK1E3xx/A, MK1H3xx/A, MK1F3xx/A, MK1A3xx/A, MK193xx/A, MK183xx/A
The MacBook Pro line was introduced in January 2006, and has been available in a variety of models since then. These are high-end laptops. There are three main developments; the aluminum MacBook Pro, from 2006 to 2008; the MacBoo Pro unibody, from 2009 to 2012; and the MacBook Pro Retina, since 2012.