3.3v fan

4PCS Raspberry Pi Brushless CPU Cooling Fan Heatsink Cooler Radiator 3.3V 5V for Raspberry Pi4 Pi3 B+, Pi 3, Pi 2, Pi 1 B+

30x30x7mm Raspberry Pi Cooling Fan Brushless 3.3V 5V DC Quiet Fan for Raspberry Pi 4, Pi 3 B+, Pi 3B, Pi 2, Pi B+

1Pc 1703 1.7Cm 5V 3.3V Micro Uav Cooling Fan Uf3H3-700 2Wires Bare Wires Fan

Raspberry Pi Fan Adjustable 3.3V/5V Seperated Connectors Brushless Cooling Fan for Raspberry Pi 4/4B3B+/23B/B/2B