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Title: great fan but
Review: This is a great fan but it does not vary RPMs very much. It's always around 1390 or so. It plugs into the 4 pin molex for power and has a 3 pin with one wire to plug into your motherboard but it the motherboard can't change it's RPM. It just reads it.It is a good fan though. It moves a ton of air and is very quiet. I think it's the best fan I have. I just wish it was controllable.
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