Specifications:- Model engtx580 dcii/2dis/1536md5 graphics engine Nvidia GEforce GTX580 , bus standard pci express 2.0, video memory 1536mb gddr5 engine , clock 782 mhz , factory overclock cuda core 512 memory , clock 4008mhz (1002mhz gddr5) , memory interface 384 bit dvi max. Resolution 2560 x 1600 d-sub max. Resolution 2048 * 1536 , dvi output: dvi-i x2 , hdcp compliant yes , HDMI output , native HDMI 1.4 x1 , displayport regular , dp x1 adaptor bundled , dvi-to-d-sub adaptor x 1 exclusive 12cm sli bridge x1 8-pin to 6-pin , power cable x 1 , software bundled Asus utilities & driver.