The cooling fan and heat sink of all graphics cards can be removed, which is convenient for cleaning dust. However, if the fan still works, just clean it up and install it. There is no need to change it specially. The original is always the best. If you want to change it, you can generally change it, but other artificial fans are expensive, ranging from tens to hundreds. It's best to take it to the store for exchange, so as to pick the right size.