nvidia 9800gt 512mb 660mhz hdmi nvidia 9800gt 512mb 660mhz hdmi pci-e, 660mhz engine clock 1800mhz memory clock dual dvi, dvi adudio-out, hdmi adapter graphics processing unit: nvidia geforce 9800 gt @ 660 mhz engine clock 112 stream processors, dual 400 mhz ramdac, max res @ 2560 x 1600 true 128-bit floating point high dynamic-range (hdr) lighting with 16x full- screen anti-aliasing memory: 512mb gddr3, 1800mhz memory clock, 256-bit memory bus bus support : pci express 2.0 // pci express x16 3d acceleration : microsoft directx10 support, unified shader model 4.0, opengl 2.1 ext conn: dual dvi-i connector, hdtv connector features : * purevideo hd technology * hdtv ready * vista ready * hdcp ready * full hd 1080p compatible * dual link dual dvi