Today only, Sam's Club offers its members the Vizio 70" 4K HDR Flat LED Ultra HD Smart Television, model no. D70-F3, for $649 with free shipping. (Non-members pay $64.90 more, so it's better to buy a membership for $35.) That's $100 under our August mention and the best deal we've seen. (It's the lowest price now by $149.) It features a 3840x2160 (4K) native resolution, 802.11ac wireless with Smart TV apps and integrated Chromecast, USB, and three HDMI inputs.

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