Walmart offers the Sceptre 54.6" 4K 2160p LED-Backlit LCD Ultra HD Television, model no. U550CV-U, for $319.99 with free shipping. That's $30 below our mention from last month and the lowest price we've seen. (It's the best deal now by $30.) It features a 3840x2160 (2160p) native resolution, LED backlight, USB, and four HDMI inputs.