Amazon Warehouse Deals via Amazon offers the used Samsung 40" 4K 2160p LED-Backlit LCD Smart Ultra HD Television, model no. UN40HU6950, for $476.54 with free shipping. That's $273 under the lowest total price we could find for a new unit. (Most merchants charge closer to $900 for a new unit.) It features a native resolution of 3840x2160 — four times that of 1080p TVs. It also has a 120Hz refresh rate, quad-core CPU, LED backlight, Smart Touch remote, WiFi, Internet Apps (Netflix, Hulu Plus, Amazon Video, more), USB, and four HDMI inputs.