Review on Enhance PC Cooling with Scythe Kaze Flex 120mm Case Fan - 2000 RPM, Single Pack by Scott Pentapati

I know that many fans always quote a specific CFM, but often it is ideal conditions that are tested in the laboratory. I need to know as my previous job was to develop prototype machines. BUT, these things deliver what they promise. These are some of the noisiest fans I've ever used, but that has to do with the air volume, not the fan motor itself. They really do move a massive amount of air and perform fantastically. I let them draw air out of my case and 6 corsairs on a two stroke cooler for intake. It looks like these things can get enough air without Corsairs. So if you need to cool something quickly or move a large amount of air, they will get the job done perfectly. I have no idea about the lifespan, but we'll find out.