I have an easy one for your guys (or girls) I just got my all in one AMD A6 3650 CPU & Fan assembly (AD3650WNGXBOX) and when I opened and read the directions, it warns to insure you use the proper "thermal interface material". I am assuming the pre-intalled sticky substance on the bottom of the fan unit that comes in contact with the CPU is what they refer to, but I just want to make sure. I am hoping they would not send me a complete unit that I could not use yet without having to now buy grease for it. Thanks