Dell UltraSharp U2723QE 4K USB-C Monitor Review - Created Tech
Dell 27" 60 Hz IPS Black Technology UHD IPS Monitor 8 ms (gray-to-gray normal); 5 ms (gray-to-gray fast) 3840 x 2160 (4K) HDMI, DisplayPort, USB, Audio Flat Panel UltraSharp U2723QE - Newegg.ca
Dell UltraSharp 27-inch U2723QE and 31.5-inch U3223QE: World's first IPS Black monitors with 2000:1 contrast ratio, DisplayHDR 400, and Auto KVM - NotebookCheck.net News