Things worth considering in this review are the fact that I have four 120mm case fans at the top of my case blowing air out and only one 120mm intake fan (all set at 7v during this test). This creates a lot of negative pressure inside the case which means that a considerable amount of air is drawn in through the back, creating an ideal air flow across the S1. In other peoples cases with only one or two exhaust fans there will not be as much air flow through the S1 and so will probably not give as spectacular results.