That's because of consoles though. They're significantly more powerful than the PS4 and Xbox One. And any multi platform game developer will aim their games at that and as a result similar hardware requirements on PC as well. With direct storage soon there will be games that will require a ssd. I mean the PS5 with it's PCIE 4.0 SSD and kraken compression can reach a maximum speed of 22 GB/s according to Cerny if the data compresses particularly well.