Walmart offers the Sceptre 49" 4K 2160p LED-Backlit LCD Ultra HD Television, model no. U500CV-UMK, for $449 with free shipping. That's tied with our mention from ten days ago and the lowest total price we could find by $98. This Roku-ready TV features a 3840x2160 native resolution (four times that of 1080p TVs), LED backlight, USB, and three HDMI inputs.