Vesa wants to make HDR screens more consistent with its new DisplayHDR specifications - The Verge
LG 27UN880-B Ultrafine Monitor 27 UHD (3840 x 2160) IPS Display, sRGB 99% Color Gamut, VESA DisplayHDR 400, USB Type-C, Ergo Stand-Black : Amazon.ca: Electronics
Vesa Certified DisplayHDR™
27" ViewFinity S80PB 4K UHD IPS DCI-P3 98% DisplayHDR 400 Monitor with USB-C and Matte Display
HDR400 vs HDR1000: A Full Comparison - Lapse of the Shutter
ASUS ROG Strix XG32VC - Monitor LED - gaming - curvo - 31.5" - 2560 x 1440 WQHD - VA - 400 cd/
Vesa CES 2019 HDR400 vs HDR 600 vs HDR 1000 - YouTube