ATI Radeon HD 5450 1GB DDR3 PCI Express (PCI-E) DVI Video Card w/HDMI & HDCP Support ATI Radeon HD 5450 1 GB GDDR3 PCI Express Video Card General Features: ATI Radeon HD 5450 graphics processing unit (GPU) 80 stream processing units 650 MHz GPU core clock 1 GB GDDR3 memory 64-bit memory interface 800 MHz memory clock PCI Express 2.1 support ATI Eyefinity technology ATI Stream technology Accelerated Video Transcoding (AVT)