This is the correct answer -- video and 3D. And studios will max them out with their own components however they need.
If you're working on professional films and TV shows, this is obviously worth the price. Studios wouldn't be buying them for their designers and editors if it weren't.
It goes without saying this isn't for consumers or developers.
Terrible default GPU for any kind of rendering. 580 is basically their 2nd cheapest low-end gaming GPU at the moment and this is a less powerful, more memory version.
