Walmart offers the RCA 55" 4K Flat LED Ultra HD Roku Smart Television for $299.99 with free shipping. That's $10 under our mention from two weeks ago, $500 off list, and the lowest price we've seen. Buy Now Features 3840x2160 (4K) native resolution WiFi built-in Roku TV (with access to Netflix, Youtube, Hulu Plus, more) Model: RTRU5527-W