For its members, Sam's Club offers the UpStar 28" 4K 2160p LED-Backlit LCD Monitor, model no. M280A1, for $189 with free shipping. (Non-members incur an additional $18.90 surcharge.) That's $50 under our February mention and the lowest total price we've seen. (It's the best now by $54.) It features a 3840x2160 native resolution (four times that of 1080p TVs), LED backlight, two DisplayPort inputs, two HDMI inputs, and one DVI input.