The '4K' UHD (3840 x 2160) Experience | PC Monitors
What is High-Definition Resolution from 720 and 1080 to 4k DCI, 4k UHD, 5k, 6k, 8k – frank schrader | commercial photographer | Longmont / Boulder Colorado
4K resolution and high DPI: What you need to know about it to have great visuals