So after trying this on 6 (yes, 6) different laptops and computers and 3 different types of monitors I had to admit that it's basically very expensive and some ugly paper pulp. The monitor blinks from time to time when you use it and it doesn't matter which port you use, it does the same thing on all of them. The USB interface sometimes lags on my keyboard and mouse, but the display ports are completely unusable. Finally I spent hours of my Saturday with this product that I will never return. My advice is don't buy it. It's definitely coming back.
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