Dual 25mm fans to 1 30mm or 40mm fan adapter
Description
I have this Raspberry Pi 4b heatsink with dual 25mm 5v fans but they make an annoying noise so I bought some 30mm 3/5v fans that are much quieter and made a couple adapters to fit both 30mm and 40mm fans. They are much quieter using either 3 volt or 5 volt. The fans come with nuts and bolts which as you can see they are more than long enough for the fan. I used 4 of the 8 bolts that came with the heatsink and fans for mounting to the heatsink. These are the fans I bought: https://www.amazon.com/gp/product/B07KPLWXJX/ref=as_li_ss_tl?ie=UTF8&psc=1&linkCode=sl1&tag=e07f-20&linkId=0c772b103f89c2e17959d5d435a90633&language=en_US
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