20pcs 40mm x 10mm 5V DC 2-Pin Ball Beaing Computer PC CPU Cooling Case Fans (40mm / 4cm)

Pack of 20 compact cooling fans designed for Computer PC CPU cooling and case ventilation. Each fan measures 40mm x 10mm (40mm / 4cm), runs on 5V DC and uses a 2 Pin connector. The Ball Beaing design delivers reliable rotation and extended operational life. Ideal for small form-factor systems and applications needing low-voltage airflow.