I too am curious about this. I have been enjoying my mini-i 3, I was trying to discover the differences between the Mini-i 3 Pro and the Element I (both were the same price and besides the colors screen, I couldn't discern a difference)

Hey there! I recently acquired a MA Mini-i Pro 3 and had some hum nearly immediately. I figured out the issue and I hope it helps you too. I use a small space heater in my office so I don't have to heat a whole floor that I'm the only on on during the day, I realized that the Vornado fan/heater...