eBay with electronic_express has the Hisense U6G Series 55U6G 55" 4K Ultra HD HDR Smart Android Quantum ULED TV (2021 model) on sale for $430 - 20% off with coupon code JULYSAVINGS [Exp 7/6] = $344 with free shipping. 

3840 x 2160 (4K UHD, 600 nits), 60Hz, Dolby Vision HDR, Dolby Atmos, Full Array Local Dimming Zones (60)

FilmMaker Mode, built-in Google Assistant (works with Alexa), Android TV, voice remote, 4 x HDMI 2.0