QuoteThese are screens with a resolution of 3,840 x 2,160 and a refresh rate of 60 Hz at native resolution.
Only 60 Hz?! I bought a QD-OLED S95B 55 inch and am still very happy. Overclocking to 144 Hz is also possible (on Linux may be not anymore). What are these good for when they are cheaper, but don't support 4K120Hz / HDMI 2.1a / the full 48 GB/s?
PS: In Game Mode, there is no input lag and the image quality on my S95B is just amazing. But I guess IF the pixel response times on these IPS is good enough, they'd be fine, if they hadn't the 4K 60 Hz limitation. For true 60 Hz they require 1/60 = 16.67 ms pixel response times, which they probably don't have in the first place.
Instead, maybe you should see if you can get a used SAMSUNG QD-OLED TV? I understand if you don't want to buy them from private sellers. Maybe see for a refurbished one.