Nvidia's RTX30 series graphics card conference has been about half a year or so, and has brought us RTX3090, RTX3080, RTX3070 and RTX3060Ti. Due to the rising price of virtual coins, profitable miners continue to frantically buy a new generation of RTX30 graphics cards, which may not yet be in the retail market. It has been bought by miners from the source of the channel, and the market is facing a variety of shortages, which has led to a rise in the graphics card market.