Yes you CAN power a 12v PC fan via the GPIO 5v power headers : r/raspberry_pi
Controlling PWM fans with the Raspberry Pi CM4 IO Board's EMC2301 | Jeff Geerling
pi 2 - How to connect a regular CPU-Fan to the Raspbrery Pi 2 B - Raspberry Pi Stack Exchange
RPI FAN SHIM 30: Raspberry Pi Shield - Fan 30x30x7mm, for pin header at reichelt elektronik
Raspberry Pi Cooling Fan Control with Bash Scripting - Embedded Computing Design
how to plug devices using same pins on raspberry pi at the same time? / Raspberry Pi 4 Model B - Stack Overflow
Raspberry Pi fan pins (easy cooling solution) — PiCockpit | Monitor and Control your Raspberry Pi: free for up to 5 Pis!
Speed Control Fan DC 5V 4010/3007 3 Pin PWM Quiet Fan for Raspberry Pi
Adding a 5V Fan to a Raspberry Pi 3 Model B and having control of it - Raspberry Pi Forums
Miniature 5V Cooling Fan for Raspberry Pi (and Other Computers) : ID 3368 : $3.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Raspberry Pi 4 / 3B+ / B Fan DC 5V/3.3V 3pin 30x30MM Cooling Fan | eBay
Diymore 30x30x7mm Raspberry Pi Cooling Fan 3.3v 5v Dc 2pin Brushless Fan For Raspberry Pi 4/pi 3 B+/pi 3b/pi 2/pi B+ - Integrated Circuits - AliExpress
Using Raspberry Pi to Control a PWM Fan and Monitor its Speed - DriftKingTW's Blog
Silent cooling for the Raspberry Pi 3 | Climbers.net
The Raspberry Pi 4 has a fan now - the Case Fan | Jeff Geerling
Raspberry Pi 3 B+ Extreme Cooling - YouTube
cooling - Is it safe to connect a 3.3v fan to gpio instead of power? - Raspberry Pi Stack Exchange
Raspberry pi 4 model B: Can't fit fan when I have Phoscon connected. - Raspberry Pi Forums
Raspberry Pi fan pins (easy cooling solution) — PiCockpit | Monitor and Control your Raspberry Pi: free for up to 5 Pis!
Amazon.com: KKSB 5V SBC Fan | 30mm 3 Pin PWM Fan | Raspberry Pi Fan | Supports Auto ON Off OS Temperature Configuration : Electronics
Raspberry Pi 4 with cooling 5v/3v? - Raspberry Pi Forums
Raspberry Pi Releases Fan for Official Pi 4 Case | Tom's Hardware
HATL02FP Auto-Fan Control & I2C, 5V, TXD, RXD pins - LeapMatic
Silent cooling for the Raspberry Pi 3 | Climbers.net
