GF 9800 GTX 740M 512MB DDR3 DUAL DVI XXX Dual Link DVI - Supporting digital output up to 2560x1600: Yes (Dual) Memory Clock: 2.28 GHz Clock rate: 740 MHz Shader Clock: 1850 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 , TV Out , HDCP Ready , SLI ready , Vista , Dual DVI Out , HDTV ready