Best Buy has the Roku 55R6A5R Plus Series 55" QLED 4K Smart TV on sale for $400 with free in-store pickup or free shipping. The non-QLED 4K 55" model (55R4A5R) is on sale for $300. Other QLED models are also on sale, the 65" model (65R6A5R) for $600 and the 75" model (75R6A5R) for $800. 

• Full Array Local Dimming, 60Hz Refresh Rate, HDR 10+, Dolby Vision, Hybrid Log-Gamma (HLG)
• 4 x HDMI (1 x 2.1), Built-in Wi-Fi, Ethernet, Apple HomeKit, Amazon Alexa, Google Assistant