GeeekPi Raspberry Pi Cooling Fan, Raspberry Pi ICE Tower Cooler, RGB Cooling Fan with Raspberry Pi Heatsink for Raspberry Pi 4 Model B & Raspberry Pi 3B+ & Raspberry Pi 3 Model B
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Ancient-Geek
Greater than one weekMy Pi machines (4) are mounted on C45 (35mm) DIN rails (no cases) using C45 circuit board adapters. This requires that the configuration must be assembled bottom (C45) to top (cooler). The TO220 heat sink needed to be cut down a bit and mounted to the RAM with 3M thermal tape (thicker than the provided thermal pads) to accommodate the difference in height. The configuration booted up ... first time, no debugging.
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Alayna Steffy
> 3 dayThe best cooling option hands down. You cant have a low profile case but its definitely worth it.