FPS stands for Frames per Second. This is the main a unit of measure that is used to describe graphics and video performance. The goal for good DVD playback is 30fps. 30fps is also used as a minimum perfomance bar for good game play; however, most gamers will desire significantly better performance..

While the human eye is generally not able to see more than 30 fps, there are many reasons why serious gamers look for faster frame rates. For a more detailed overview of fps goto 3D Gaming's Frames Per Second Explanation.