These fans are fine. They look great and have many color options. The controller box feels well made and solid unlike many others I've had in the past *cough* Corsair *cough*. The only bad thing is that your motherboard/system can't control the fan speed, you have to change it with the remote control which has to be pretty close to the box to work. Makes the pots from Mobo. My case temperatures are about the same as the Bitfenix fans that came with my case. As far as I can tell, they're not noisy and fan speeds increase in large chunks. I bought them for the beauty and as long as they don't hurt my temperature I'm happy.
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