https://www.theregister.co.uk/2018/09/24/microsoft_surface_hub_2_s_x/

Microsoft has lifted a page from its gaming playbook and split its Surface Hub 2 product into two lines: the 2S and 2X.

The Surface Hub has carved itself a niche with businesses that have bought into the Office 365 world, providing an alternative to the meeting-room whiteboard with all manner of collaboration goodness via a giant, wall-mounted touchscreen. For a price, of course.