Sapphire Radeon X1950PRO 512MB 256-bit GDDR3 PCI Express x 16 HDCP Ready CrossFire Supported Video Card 2PORT Dvi-i Tv Out Engine Clock: 580 MHz, Video Memory: 512MB GDDR3, Max. Resolution: 2560 x 1600, Memory Clock: 1.4 GHz Connectors: Dual DVI (Support Dual VGA); TV-out (HDTV ready)