It's for geforce, that's their gaming market brand, so it won't be a supercomputer.The obvious answer is some kind of supercomputer, but I don't know about that.
Another possibility could be some kind of hardware accelerated supersampling on turing/turing refresh.
That would actually be pretty cool. Something in lets say, like the $100 range that supported only PhysX/Ray Tracing and would have it's own set of drivers. Even better if it could be paired with both Nvidia & AMD GPU's. Definitely something I'd buy as I still play plenty of games that support PhysX.A raytracing acelerator card to pair with your GPU? Kinda like the old physx cards but for raytracing.