Unfortunately, even if your monitor is DisplayHDR 400 certified, it probably still won't be great for HDR content. For example, a DisplayHDR 400 monitor is only guaranteed to cover 90% of the DCI-P3 color gamut. The relatively poor contrast ratio and black levels, at least in the context of HDR monitors, make a DisplayHDR 400 monitor unequipped to provide quality HDR. Credit: VESAIt's clear that DisplayHDR 400 isn't true HDR when comparing the differences between the entry-level tier and DisplayHDR 500. When you know what to seek out, finding the right HDR monitor for your setup is simple.