Pros: pushes a lot of air and can be set to a specific speed that you want.

Cons: The fan was running fine for about a year and 8 months. However it just broke. When connected it goes to a max speed and then stops completely, then it restarts and again does the same thing continuously goes to max speed and stops completely again. I tried putting it on a friends computer and it does the same. There is also a very loud noise as its trying to get to the max level.

Overall Review: So the fan is advertised as working a maximum of 50,000 hours. I have had it for a little less then a year and 8 months. Even if i had it running for every minute of that time period (which it wasn't), it would give me about 14400 hours of running time. I feel very let down with cooler master as i buy a lot of products from them. For the fan to not even run a third of its max life time is disappointing.