Cooler Master impressed me with their simple yet elegant D1. By no means is it a flashy notebook cooler with colored LED fans or multiple USB ports requiring a separate AC power supply. They went back to the basics and with a simple tweak of replacing the hard feet with a softer material, I think they would have come up with a huge winner. As it stands, the D1 is still a budget friendly notebook cooler that does the trick of what a 50 dollar cooler would do – keeping your notebook cool.