Sam's Club offers its members the Vizio SmartCast 50" 4K 2160p LED-Backlit LCD Ultra HD Smart Display, model no. E50x-E1, for $348 with free shipping. (Non-members pay $34.80 more.) That's $50 under our mention from five days ago and the lowest total price we could find by $50. It features a native resolution of 3840x2160 (2160p), Smart TV apps, USB, V8 octa-core processor, and four HDMI inputs. Deal ends November 27.