I really like this fan with the low noise. it keeps everything cool. I'm getting 40C on my 8-core AMD processer right now. It can be tricky to put on. This is my second purchase so it was a lot easier than the first time. The first time I had the part that attaches to the motherboard on wrong. You have to push down the screw to move it to a different spot. Yeah I don't know how to explain it, luckily the instructions are pretty clear. best 

Question: How is the instruction?
Answer: the instructions are pretty clear