Apple ended the display market in June 2016 when it discontinued sales of its Thunderbolt Display. But Apple has confirmed in April 2017 that it has plans to make a new standalone display for the new Mac Pro currently in development.
Will this new display be a 5K like the iMacs, or even 8K; and how much will it cost? We will not likely know until early next year many rumor site report.
Until then we are able to help support the many available non-Apple displays for your Macs. Let Macs on Demand help you in choosing and configuring a new display for your Mac!