Samsung Galaxy TabPro S, model SM-W700NZKAXAR, was released on March 18, 2016 is designed to be used as a tablet and a laptop.
Are you able to switch out the ram stick? Or is it soldered onto the board?
The ram is not upgradeable.
It is hard mounted on the systemboard.
Here are the iFixit Samsung Galaxy TabPro S Repair guides that may help if you wish to verify this yourself.