Walmart offers the Sharp 43" 4K 2160p WiFi LED-Backlit LCD Ultra HD Smart Television, model no. LC-43N6100U, for $398 with free shipping. That's the least expensive Sharp 43" 4K TV we've seen and a very low price for such a TV in general. (It's a current best for any Sharp 43" 4K model by $82.) It features a native resolution of 3840x2160 (2160p), 4K upscaling, 802.11ac wireless, Smart TV apps (including Netflix, YouTube, and Vudu), and four HDMI inputs.