Walmart offers the Sceptre 54.6" 4K 2160p LED-Backlit LCD Ultra HD Television, model no. U550CV-U, for $329.99 with free shipping. That's tied with our mention from a week ago as the lowest total price we've seen. (It's a best now by $73.) It features a 3840x2160 (2160p) native resolution, LED backlight, USB, and four HDMI inputs.