Walmart offers the Sceptre 54.6" 4K 2160p LED-Backlit LCD Ultra HD Television, model no. U550CV-U, for $349.99 with free shipping. That's the lowest total price we could find by $103 and tied with our mention from last week as the best price we've seen for a 55" 4K television. It features a 3840x2160 (2160p) native resolution, LED backlight, USB, and four HDMI inputs.