Good question!! It is larger with more CFM, which intern means it has a larger magnet than the previous cooling fan used on the P3. I hate to say it, but looks like this may be one of those "Needs More Research" Questions. We all know how important it is to keep any type of metal, or magnetic devices as far away from the internal electronic components as possible.This is the fan used. Wonder if it causes any interference and reduces radio range.........