High Quality Content by WIKIPEDIA articles! The GeForce 400 Series is the 11th generation of Nvidia`s GeForce graphics processing units, which serves as the introduction for the Fermi architecture (GF-codenamed chips), named after the Italian physicist Enrico Fermi. The series was originally slated for production in November 2009, but, after a number of delays, launched on March 26, 2010 with availability following in April 2010.