These days, Nvidia and Gigabyte, the major video card manufacturers, have been subject to a class action lawsuit by users because of the "false label" problem of the size of the GeForce GTX 970 video card, and have filed a petition to the Federal District Court of Northern California. In the advertisement, the video card has 4GB of memory (video memory), but in fact it is a combination of 3.5GB+0.5GB, and the last 0.5GB