<Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The iPad Pro family is a line of iPad tablet computers designed, developed, and marketed by Apple Inc., that runs the iOS mobile operating system . It is currently available in two screen sizes, 10.5 - inch (27 cm) and 12.9 - inch (33 cm), each with three options for internal storage capacities: 64, 256, or 512 GB; the 512 GB configuration making iPad Pro the first iOS device to offer that storage size . </P> <P> The first iPad Pro, the 12.9 - inch version, was announced on September 9, 2015, and released on November 11, 2015 . It is larger than all previous iPad models and the first iPad tablet to feature LPDDR4 RAM . The 12.9 - inch tablet was later followed by the smaller 9.7 - inch version, which was announced on March 21, 2016, and released on March 31 that same year . </P> <P> On June 5, 2017, a second generation of iPad Pro was announced, which features A10X Fusion processors, with basic storage of 64 GB, and optional 512 GB . Upgraded displays include a new 10.5 - inch version to replace the 9.7 - inch model, while the 12.9 - inch version was refreshed . Following this announcement, the first generation iPad Pros, both 9.7 and 12.9 inch, were discontinued . </P>

When did the ipad pro 12.9 inch come out