Best Monitors for Gaming with FreeSync Over HDMI - Buying Guide
AMD pushes FreeSync forward with support for HDMI, mobile, DisplayPort, HDR | PCWorld
Dell S2421HN 24 Inch Full HD 1080p (1920 x 1080) 75Hz IPS Ultra-Thin Bezel Monitor 2 x HDMI Ports, Audio Line Out, Adaptive AMD FreeSync - Silver - S2421HN
CES 2016: AMD FreeSync working over HDMI - YouTube