Radeon 5450 512MB DDR3 3M (2x DVI-I, miniDP) Standard Height - Dual DVI + Mini Display Port Outputs Display to (3) 30" monitors via Dual DVI-D or Dual VGA, mini Displayport - Requires 1 PCIe standard height slot The VisionTek 5450 features 292 million 40nm transistors TeraScale 2 unified processing architecture Compliant with DirectX 11 and earlier revisions ATI Stream technology Designed for DirectCompute 11 and OpenCL Accelerated Video Transcoding (AVT) Compliant with DirectX 11 and earlier revisions Supports OpenGL 3.2 ATI Avivo HD video and display technology ATI PowerPlay technology ATI CrossFireX multi-GPU technology PCI Express 2.1 support