Review on Thermaltake 200mm Pure 20 Series: Quiet High Airflow Case Fan with Anti-Vibration Mounting System - CL-F015-PL20BL-A by Kevin Mills

I originally bought two of these fans to mount on the top of the case for better ventilation. They are relatively slow and very quiet, but still move enough air for my needs. I feel like the top of my case gets hot when the system is under load. I use the Asus fan controller for my motherboard to run the fans slowly and quietly until the temperature starts to rise. I had to buy a third fan because one of my original two broke. These are very light and fragile fans. To be fair I broke it while messing around with the system and my finger hit the blades while it was spinning and broke the blade. Be careful when handling them during installation and you shouldn't have any problems.