The Raspberry Pi 4 has a fan now - the Case Fan | Jeff Geerling
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Miuzei Raspberry Pi 3 B+ Case with Fan Cooling and 3× Heat-Sinks, 5V 2.5A Power Supply with On/Off Switch Cable for RPi 3 B+, 3B, 2b - Walmart.com
Fan SHIM – Active Cooling for Raspberry Pi 4 - Elektor
CanaKit Raspberry Pi 4 Cooling Fan - The Tech Journal
RELKA R253 Raspberry Pi 4 Model B Argon Mini Fan Module ON/OFF/PWN Switch Controller Copper Heatsinks Cooling Fan|Demo Board Accessories| - AliExpress
PWM Regulated Fan Based on CPU Temperature for Raspberry Pi : 4 Steps (with Pictures) - Instructables
RASPMER: Control a cooling fan with gpio-fan (Device Tree Overlays)
Argon Mini Fan for Raspberry Pi 4 B/3B+/B ON/OFF/PWN Switch Control Cooling Fan Heatsink Fit for POLY+/NEO and Official Case|Demo Board Accessories| - AliExpress
How to Add a Raspberry Pi 4 Cooling Fan - Howchoo
Raspberry Pi OS Fan Control - Embedded Computing Design
Pi 4 on/off button | DreamOnward
Active cooling your Raspberry Pi 3 - Embedded Learning Library (ELL)
Fan SHIM – Active Cooling for Raspberry Pi 4 – Pimoroni
Meterk Case for Raspberry Pi 4 with Aluminum Metal Cooling Fan 5V 3A USB-C Power Supply with ON/Off Switch for Raspberry Pi 4 Model B - Walmart.com - Walmart.com
Nespi 4 with genuine Raspberry Pi fan for fan control. Set to 72deg Celsius and only comes on occasionally when streaming from Plex. Cools enough to turn off again within 60secs. Not
