If you mainly do work tasks it is perfectly ok. My main monitor is a 4k 60Hz, the second is a 2k 144hz. Both runs very fluid with almost no hiccups.
My few colleagues adopted the same layout and are happy with it.
It is not ok for gaming though, especially FPS or other games with fast changing scenes.
It’s a USB connected video adapter. Not USB C DP alt mode. USB USB.
At the best of times it’s solidly OK. At the worst of times it’s absolutely horrendous.
If you mainly do work tasks it is perfectly ok. My main monitor is a 4k 60Hz, the second is a 2k 144hz. Both runs very fluid with almost no hiccups. My few colleagues adopted the same layout and are happy with it.
It is not ok for gaming though, especially FPS or other games with fast changing scenes.