GF 9800GX2 700M 1024 MB DDR3 DUAL DVI BLACK EDITION Dual Link DVI - Supporting digital output up to 2560x1600: Yes (Dual) Clock rate: 700 MHz Memory Clock: 2.1 GHz Shader Clock: 1700 MHz Chipset: GeForce 9800 GX2 Memory: 1.0 GB Bus Type: PCI-E 2.0 Memory Type: DDR3 Memory Bus: 512-bit Output: Dual DVI, HDMI Highlighted Features: Vista , SLI ready , RoHS , HDCP Ready