The main downside is that you don't know what you get on Amazon (and I say that as someone who bought DisplayPort cables on Amazon that turned out to have the p

The main downside is that you don't know what you get on Amazon (and I say that as someone who bought DisplayPort cables on Amazon that turned out to have the pin 20 problem http://monitorinsider.com/displayport/dp_pin20_controversy.html http://monitorinsider.com/displayport/dp_pin20_controversy.h...).