The USB 2.0 External Video Card driver used to control the extra screen uses very little computer resource and offers a vast array of screen resolutions and color depths. This ensures that there is little difference in performance between a directly connected screen and a screen connected through the USB 2.0 External Video Card
Data Entry Use
Comments about IOGEAR IOGEAR USB 2.0 External VGA Video Card:
I am now running 3 screens to include my laptop. I don't have to minimize one screen to get text from another, I can have email, word, and excel open at the same time. This has improved my productivity.