Dell announced a new professional grade monitor. The Dell UltraSharp 27 4K PremierColor Monitor features a 4K resolution at 27-inches, full AdobeRGB color coverage, two Thunderbolt 3 ports, and a pop-up colorimeter. The monitors will be priced at $2000 and will be available January 15th.
https://www.notebookcheck.net/Dell-s-latest-UltraSharp-4K-monitor-makes-calibration-a-snap-with-its-pop-up-colorimeter.441219.0.html