Walmart offers the Sceptre 55" 4K Curved LED-Backlit LCD Ultra HD Television, model no. C550CV-U, for $299.99 with free shipping. That's $30 under our mention from a month ago, $78 off list, and the best price we've seen for any curved 55" 4K TV. It features a 3840x2160 (2160p) native resolution, LED backlight, USB, and HDMI.