The answer to connected TVs is commercial display. These are "dumb TVs" that you've seen 10K times at airports manufactured by the usual suspects such as Sony, NEC, LG, and yes - even Samsung. They are offered in 4K, have plenty of ports, and are price competitive to smart TVs
https://www.necdisplay.com/category?category=displays#1 https://pro.sony/en_GB/products/small-displays