Dell Home offers the LG 40" 4K 2160p WiFi LED-Backlit LCD Ultra HD Smart TV, model no. 40UB8000, for $619 with free shipping. That's the lowest total price we could find by $180 and the best deal we've seen on a name-brand 40" 4K TV. It features 3840x2160 (2160p) resolution, 120Hz refresh rate, WiFi, Internet apps, USB, and three HDMI inputs. Deal ends November 3.