ATI FirePro V5900 2GB DDR5 DVI/2DisplayPort PCI-Express Video Card Chipset: ATI FirePro V5900 Video Memory: 2GB DDR5 Memory Interface: 256-bit Bus: PCI-Express 2.1 x 16 RAMDAC: 400 MHz Stream Processors: 512 Max. Resolution: 2560 x 1600