Amazon.com: BenQ EL2870U 28 Inch 4K UHD Gaming Computer Monitor with 1ms Response Time, Freesync, HDR, Eye-care, Brightness Intelligence Technology with Built in Speakers : Electronics
SAMSUNG UE57 Series 28-Inch 4K UHD (3840x2160) Computer Monitor, HDMI, Display Port, Eye Saver Mode, VESA Compatible, FreeSync (LU28E570DS/ZA)