4K Ultra HD resolution delivers high-quality images 4 milliseconds response time for a seamless picture quality Samsung's Picture-by-Picture function allows you to use HDMI and DP to input two sources and maintain the original image quality Picture-in-Picture function allows you to effortlessly resize a second image to cover up to 25% of the screen Two Thunderbolt 3ports allow you to transmit video and data at speeds of up to 40Gbps