GF8800GTX Dimensions: 270x100x32mm (Length x Width x the last figure is the maximum thickness of a video card);
http://www.digit-life.com/articles2/video/g80-part2.html
GF8800GTS Dimensions: 220x100x32mm (Length x Width x the last figure is the maximum thickness of a video card);
http://www.digit-life.com/articles2/video/g80-2.html
X1950XTX Dimensions: 220x100x31mm (Length x Width x the last figure is the maximum thickness of a video card);
http://www.digit-life.com/articles2/video/r580plus-part2.html