Walmart offers the Samsung 40″ 4K HDR WiFi LED LCD Ultra HD Smart Television, model no. UN40MU7000, for $397.99 with free shipping. That’s $43 under our December mention and the lowest price we’ve seen. (It’s the best now by $131.) It features a native resolution of 3840×2160 (4K 2160p), HDR Pro, WiFi, Smart TV apps (Netflix, Pandora, Hulu, etc.), two USB ports, and three HDMI inputs.