The nvidia quadro k2000 graphics board is a single slot pci express add in card based on the nvidia kepler architecture graphics processing unit gpu the quadro k2000 graphics board is an excellent choice for medium complexity designs and models in professional cad mampe and visualization applications supported operating systems compatible operating systems windows 8 pro 64 windows 7 professional 64 windows 7 professional 32 red hat linux ws 5 64 red hat linux ws 6 suse linux enterprise d