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 best price we've seen, and it's a low by $56. It features a 3840x2160 (2160p) native resolution, LED backlight, USB, and four HDMI inputs.