Amazon offers the TCL 55" 4K 2160p WiFi LED-Backlit LCD Ultra HD Roku Smart Television, model no. 55S405, for $449.99 with free shipping. That's the lowest price we could find by $52. It features a 3840x2160 (2160p) native resolution, content streaming via Roku TV (Netflix, Youtube, Hulu Plus, more), 802.11ac wireless, USB, and three HDMI inputs.