Yes, you read that correctly, it has 24GB of video memory and yes, it can run Crysis, but that would be a criminal misuse of resources. The Quadro M6000 is is one of a number of current professional-grade GPU offers from the US titan and it now has a new mid-cycle upgrade, the main aspect of which is doubling the available RAM. This gives the card a neck up compared to AMD's 12GB FirePro W9100 champion, although it might be short lived, as the latter has a theoretical maximum memory of 32 GB yet to fill up. This massive bump in memory is truly impressive, but was also expected....
Source: http://www.gsmarena.com/nvidias_latest_upgrade_in_professional_graphics_is_a_24gb_quadro_m6000_gpu-news-17374.php