Good heatsink. Apparently very well done. However, there were 2 problems. When I took it out of the box, it turned out that a significant number of fins were bent. My 30 year old original heatsink didn't even have curved fins so it was quite frustrating to see for the price I paid. Second, it suggests that this is a direct replacement for the original fans, but that's not entirely true. If you try to install it with the original fans, they will interfere with the front stabilizer. Either youβ¦