GF 9800 GTX 720M 512MB DDR3 DUAL DVI XT Dual Link DVI - Supporting digital output up to 2560x1600: Yes (Dual) Shader Clock: 1800 MHz Memory Clock: 2.2 GHz Clock rate: 720 MHz Chipset: GeForce 9800 GTX Memory: 512 MB Bus Type: PCI-E 2.0 Memory Type: DDR3 Memory Bus: 256-bit Output: HDMI w/ HDMI upgrade kit (included) Highlighted Features: RoHS , Vista , TV Out , HDCP Ready , SLI ready , HDTV ready , Dual DVI Out