As a retailer, I use multiple monitors (6.24 inch monitors). I've used other external devices like this and they tend to lag and distort colors. drives you crazy and the color distortion just looks bad. This device costs a few euros more compared to others. I've looked at gaming/high-end graphics cards with multi-monitor capability, but it was easier for me to go that route. My computer has two native VGA ports and the rest of the displays use these devices via USB. They all look the same and function the same. Mouse movement from one screen to another seems flawless. Note: 3 screens are connected to USB 3.0 and 1 is connected to USB 2.0 and I can't tell the difference.
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