http://en.wikipedia.org/wiki/Nvidia_Shadowplay
ShadowPlay is supported by all GTX 650 and higher series desktop graphics cards. It was supposed to be released alongside Nvidia Shield in late June 2013, but was delayed. It was also later planned for release by the end of summer 2013, but the release was silently postponed. On the 20th of September, an Nvidia forum representative posted a thread to the GeForce forums, citing that the delay was due to problems they had with video formats, and stated that they planned to start "sharing this new feature with you soon." It was released in a public beta on October 28, 2013 in the 331.65 driver,[5] available to all graphic cards higher than the desktop 650 series.[6]
650 et + donc