The Apple iMac Pro website has a lot more details about what this sexy looking iMac can do. The whole thing is pretty crazy. Up to 18 cores, 4TB SSD, 42MB Cache, Radeon Pro Graphics, and 128GB Ram.
Marques Brownlee has had one for a week and made a video about it. It's going to be fascinating to see how much a fully loaded iMac Pro goes for. We'll find out in a few days.