Newegg via eBay offers the Avera 55" 4K 2160p WiFi LED-Backlit Ultra HD Television, model no. 55EQX10, for $349 with free shipping. That's $451 off and the lowest total price we could find. It features a 3840x2160 native resolution (4K), WiFi, USB, cast mobile devices via Apple TV or Chrome Stick, and three HDMI inputs.