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The 40mm fan is for VRM cooling during extreme overclocking.
Sorry, there was a problem. Please try again later.I’m not sure and didn’t add it to my rig anyway lol u willl be okay without it.
Sorry, there was a problem. Please try again later.It’s used to cool the motherboard heat sink but it’s not needed if you have good case cooling plus if you are going for a quiet build the little fan can be pretty loud and doesn’t look good hope this helps!
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