I bought it to cool the i5 8400 processor, since the standard cooler is very noisy. This cooler does its job very well. I read a couple of reviews, people wrote that Rev. A did not have a backplate in the kit. I bought 2 pieces in different stores, both Rev. A, and both had a backplate. The cooler is sold in an unsealed box. So check the package before buying.
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I hope the pictures I included give a clearer picture of my experience.
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