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Given an Amazon review, indicate whether it is a 'Positive Review' or 'Negative Review'.

It's silent most of the time. It has a temp sensor on it by the hub. WHen the air going through it gets too hot....it steps up. It has a mid step which is fairly quiet, and at full tilt....it may be slightly noisier that the other fans in the 2u case. However, I put this at the exhaust of a PSU, so there is nothing in the way to muffle it.<br /><br />Ambient in case temps down about 4-5 degrees...board just 1 or 2..<br /><br />Now using these in both the 60, and 80mm flavors....I believe they hit the sweet spot dba/cfm. Highly recomend.
Output:
Positive Review