Yes you CAN power a 12v PC fan via the GPIO 5v power headers : r/raspberry_pi
Miniature 5V Cooling Fan for Raspberry Pi (and Other Computers) : ID 3368 : $3.50 : Adafruit Industries, Unique & fun DIY electronics and kits
3 pin Fan to USB Cable Adapter 12"/30cm - Coolerguys
Pi4 12V fan on 5V pins - Raspberry Pi Forums
4 Wire PC Fan | ElectroSchematics.com
Amazon.com: Mini Skater 5V USB to 2Pin PC Fan Power Adapter Cable Sleeved Power Line Connector Cable for PC Case Fan CPU Fan Mainboard DIY Laptop Cooling Fan, 2Pcs : Electronics
Running fans off USB-SATA power converters | Overclockers UK Forums
Powering a 12V fan (3-pin Molex-looking plug?) from USB port? : r/homelab
DIY cooling pad drops temperatures by 10-15°c : r/GamingLaptops
4 pin PWM Fan to USB Cable Adapter 12"/30cm - Coolerguys
How to Connect 12V DC CPU Cooling Fan to 9V Battery with On/Off Switch | Simple Electric Circuit - YouTube
12v Fan on 5v USB | Is It Possible at Low Voltage? - Hardware Centric
5v To 12v Usb Fan Stepless Speed Controller Fan Governor Adjustable Potentiometer With Male Female Usb Type-a Adapter - Integrated Circuits - AliExpress
5v To 12v Usb Fan Stepless Speed Controller Fan Governor Adjustable Potentiometer With Male Female Usb Type-a Adapter - Integrated Circuits - AliExpress
Usb fan for power bank, How can I use USB output (5V DC) to power a fan 12V DC - YouTube
Amazon.com: CRJ Full Speed 12V Voltage Step-Up USB to 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable : Electronics
5v 0.2a Dc Cooling Fan | 5v Dc Cooling Fan Usb | Fan Usb Computer Case - 3d Printer Parts & Accessories - Aliexpress
BQLZR 13.3" Fan Adaptor Connector Cable Convert USB to 3 PIN 5V Output Computer PC Fan : Amazon.ca: Electronics
5V Brushless DC Cooling Fan - 40 x 40mm Raspberry Pi Compatible Fan - BC Robotics
NF-F12 5V 1500RPM 120mm Premium Grade Fan
transistors - How can I use USB output (5V DC) to power a fan 12V DC load? - Electrical Engineering Stack Exchange
Amazon.com: CRJ Full Speed 12V Voltage Step-Up USB to Dual 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable : Electronics
