Target offers the Samsung 40" 4K 2160p 120Hz LED-Backlit LCD Smart Ultra HD Television, model no. UN40JU6400, for $447.99. Coupon code "TGTA39R9" cuts it to $442.99. With free shipping, that's $32 under our mention from a week ago and the best price we could find for this unit by $14, excluding the mentions below. It features a native resolution of 3840x2160 (2160p), 120Hz refresh rate, quad-core processor, WiFi, Internet Apps (including Netflix, Hulu Plus, and Amazon Video), USB, and three HDMI inputs.
A few close prices: Walmart, Amazon, and B&H Photo Video offer it for $447.99 with free shipping.