Samsung UR55 Series 28" IPS 4K UHD Monitor Black LU28R550UQNXZA - Best Buy
LG 27UD68-P: 27 Inch Class 4K UHD IPS LED Monitor | LG USA
Asus has a 32-inch 4K gaming monitor with HDMI 2.1 shipping later this year - The Verge
TUF Gaming VG28UQL1A|Monitors|ASUS Global
31.5” TAA VA UHD 4K Monitor | 32BN50U-B | LG US Business
IPS 4k 27 Inch lcd Monitor resolution 3840*2160 for pc computer – Psyko Active PS Computing Gear – Discounts on Graphics, Audio, Processing, Monitors, and More
Monitors
LG UltraFine 4K Display - Apple
PD2725U 27" 4K UHD Designer monitor | BenQ US
LG 27'' Class 4K UHD IPS LED Monitor with HDR 10 (27'' Diagonal) (27UK650-W) | LG USA
Dell 27 4K USB-C UltraSharp Monitor: U2720Q | Dell USA
Dell's videoconferencing monitor has a 4K webcam, USB-C hub, and more - The Verge