The fan card keeps temperatures down, typically 35C, I've never seen it go above 37C. I immediately swapped out the fan for a better one, as the reviews about the fan itself are poor. This is the one I replaced it with: https://www.amazon.com/gp/product/B0085YAA3U/ref=ppx_yo_dt_b_asin_title_o00_s01?ie=UTF8&psc=1 Note that if you disable the fan, you don't just disable the existing fan, but also disconnect the fan connector on the circuit board of this device. You can then connect the fan listed above. I just leave it at full blast. He is very quiet.
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