Graphics Engine: GeForce GT 520 Bus Standard: PCI Express x16 2.0 Memory Type: DDR3 Memory Size(MB): 1024 Memory Interface: 64bits Core Clock Speed(MHz): 810 Memory Clock Speed(MHz): 1800 DVI Output:1 D-SUB Output:1 HDMI-Output:1 HDCP Support: ano HDMI Support: ano Dual-link: DVI Y Display Output (Max Resolution): 2560x1600 RAMDACs: 400 DirectX Version Support: 11 OpenGL Version Support: 4.1 Card Dimension(mm): 144 x 69 x 20 mm