. 4K UHD HDRTo more fully realize content creators\' vision this monitor is compatible with VESA DisplayHDR 400 high dynamic range supporting specific levels of color and brightnessVESA Display HDR 400This VESA DisplayHDR 400 monitor has been rated to deliver impressive peak luminance of 400 nits for a more lifelike picture with bolder contrast.Virtually Borderless DesignThe ultra-thin bezel on three sides of this streamlined display offers a virtually borderless visual experience without distraction from the precise gorgeous image. A sleek addition to any desktop.AMD FreeSyncFreeSync reduces the tearing and stuttering that occur between a graphic card\'s frame rate and a monitor\'s refresh rate enabling smoother motion and less stuttering in demanding games..