Walmart offers the Samsung 57.5″ 4K LED-Backlit LCD Ultra HD Smart Television, model no. UN58MU6070FXZA, for $528 with free shipping. That’s $20 under last month’s mention and the lowest price we’ve seen. (It’s the best deal now by $70.) It features a 3840×2160 (4K, 2160p) native resolution, 4K upscaling, 802.11ac wireless, Smart Hub (with access to Netflix, YouTube, Hulu Plus, more), Bluetooth, USB, and two HDMI inputs.