Show HN: Fan Shim – Active Cooling for Raspberry Pi 4

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3 pointswhiskers3 comments

> Not heatsink-compatible

Seems like as if this might limit its effectiveness, given how much hotter the Pi 4 runs. It would be interesting to do a side-by-side temperature comparison of a Pi 4 fitted with this device and another with fitted with heatsinks and a gooseneck USB powered fan blowing across it.

You really don't need a heatsink as well, the SoC has a heatspreader pre-installed.

Fan SHIM will take your Pi 4 well below throttle temperatures even at full load!

We posted some results on our blog (there is a more in-depth post to come soon): https://blog.pimoroni.com/raspberry-pi-4-thermals-and-fan-sh...

I would prefer a heatsink and no fan (moving parts, extra power).

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