Description : MSI N550GTX-TI CYCLONE II Graphics Engine GeForce GTX 550 Bus Standard PCI Express x16 2.0 Memory Type GDDR5 Memory Size(MB) 1024 Memory Interface 192 bits Core Clock Speed(MHz) 950 Memory Clock Speed(MHz) 4300 DVI Output 2 D-SUB Output 2(optional, via DVI to D-Sub adaptor) HDMI-Output 2(Optional, via Mini HDMI to HDMI dongle) Mini HDMI-Output 1 HDCP Support Y HDMI Support Y Dual-link DVI Y Display Ouput(Max Resolution) 2560x1600 RAMDACs 400 DirectX Version Support 11 OpenGL Version Support 4.0 SLI Support Y 3-way SLI Y Card Dimension(mm) 210x140x35mm Nvision 3D Compatible