Simply put, it is to plug two identical graphics cards into a motherboard, divide the video information into two parts and hand it over to the two graphics cards for processing, and then merge the output, so that the video processing speed will be greatly improved. It's like eating watermelon. As big as a watermelon. You used to eat alone, but now you have a twin brother to eat with you. Of course, you will eat faster than before.

This multi-graphics parallel processing technology, nVIDIA called SLi, ATi called crossfire, is like a fat man doing exercise, we call it slimming, and TV calls it slimming.