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Amazon.com: 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
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Amazon.com: GeeekPi Raspberry Pi 4 Aluminum Heatsink with PWM Controllable Fan, Raspberry Pi 4 Armor Lite Heatsink with PWM Speed Control Fan for Raspberry Pi 4 Model B : Electronics
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Using a stack of pennies as a heat sink for the new 1.4GHz processor on my Raspberry Pi Model 3 B+ while compiling TensorFlow. They're actually getting pretty hot! : r/raspberry_pi
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Raspberry Pi 4 Pure Copper Heatsink Protective Case Passive Cooling Protective Shell Metal Enclosure For Raspberry Pi 4b Mod - Demo Board Accessories - AliExpress
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Aluminum Heat Sink for Raspberry Pi 3 or 4 - 15 x 15 x 15mm : ID 3082 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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