UHD RESOLUTION: Astonishing picture quality for work and play (3840 x 2160) CoreSync & Core lighting design - With core lighting, add personality to your setup with multiple color modes that leap off the screen and into your reality and with core lighting, add personality to your setup with multiple color modes that leap off the screen and into your reality. Follow the fastest action with 144Hz refresh rate FreeSync - For exceptionally smooth, fast-action gaming.