LG 34 Monitor, Curved, 3440x1440, 21:9 Ips, Hdmi 2.0 (2), Dp, Usb Type-c, Usb 3.0, Amd Free Sync, Hdr 10, Tilt, Height, Spk, Ergo Stan (34BP88CNB) | OfficeCrave.com
Does HDMI 2.0 support a 3440x1440 resolution at 100Hz with HDR enabled simultaneously? If not, what is the oldest model of GPU (& cheapest) that supports HDMI 2.1 connections (and 2.1 speeds)? - Quora