GPO Display’s Commercial-Grade 40” 4k LED LCD Monitors boast 3840x2160 native resolution for unparalleled clarity. DK40N features five inputs supporting 3840x2160 @ 60Hz (one DisplayPort and three HDMI) along with a DisplayPort output supporting 4K daisy-chaining. Like all of GPO Display's 4K displays, this model does not feature any SMART TV functions such as built-in Wi-Fi, Bluetooth, or RF, making it ready for secure applications.