Samsung UN55KU6290FXZA 55" 4K Ultra Smart LED HDTV for $547.99 shipped.  Here is a screenshot for reference. Alternatively, it is available at Best  Buy for $549.99 shipped. It features a 3840 x 2160 resolution, 120Hz refresh rate, built-in Wi-Fi with video and music streaming functions, inputs for 3 HDMI, 2 USB, and more.