Walmart offers the Hisense 50" 120Hz 4K 2160p LED LCD Ultra HD Smart Television, model no. 50H7GB1, for $498 with free shipping. (Amazon charges the same.) That's $50 off and the lowest total price we could find. It features 3840x2160 native resolution (2160p), 120Hz refresh rate, Smart TV apps, WiFi, and four HDMI inputs.