Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Works great

This fan works good, I have seen cooler temperatures in my case. I do think it is a bit on the noisy side. But that's what you get with an 80mm fan. I prefer 120mm fans, but my Emachines case could only fit an 80mm fan. I would recommend this only if you have no other choice of fan to go with.