XFX ATI Radeon HD 5670 1 GB DDR5 DVI/HDMI/DisplayPort PCI-Express Video Card HD567XZNF3 ATI Stream technology - Designed for DirectCompute 11 and OpenCL; Accelerated Video Transcoding (AVT) Windows 7 support Up to 1 GB GDDR5 memory Package Contents - Video Card, Installation CD with Multi-Language User Guide, Quick Installation Guide, Driver CD Installation Guide ATI Eyefinity technology with support for up to three displays Package Contents - Video Card, Installation CD with Multi-Language User Guide, Quick Installation Guide, Driver CD Installation Guide Up to 1 GB GDDR5 memory ATI Eyefinity technology with support for up to three displays Windows 7 support ATI Stream technology - Designed for DirectCompute 11 and OpenCL; Accelerated Video Transcoding (AVT)