Graphics Engine: ATI Radeon HD 6450 Bus Standard: PCI Express x16 2.1 Memory Type: DDR3 Memory Size(MB): 1024 Memory Interface: 64 bits Core Clock Speed(MHz): 625 Memory Clock Speed(MHz): 1333 DVI Output: ano D-SUB Output: ano HDMI-Output: ano HDCP Support: ano HDMI Support: ano Dual-link DVI: ano Display Output (Max Resolution): 2560x1600 RAMDACs: 400 DirectX Version Support: 11 OpenGL Version Support: 4.1 CrossFire Support: ano (SW) Card Dimension(mm) 145 x 69 x 18mm