Just passed by this old thread.   

Re: Turing,

Poser team responded to that common concern from customers at their support desk,  and  upgraded the software to support the NVidia Turing architecture GPU cards on Windows since the Poser 11.3 version.  

https://www.posersoftware.com/article/448/whats-planned-for-poser-113-nvidia-rtx-gpu-support