PC Fan Noctua NF-F12 5V:The Noctua NF-F12 5V is a very effective fan that has been designed specifically to adjust the air circulation of your computer. The PC fan is perfect for those who do not want to be disturbed by light from the inside of the PC in the night hours, because this model does not have any backlighting. Another plus is the the lower cost of the fan. This 120 mm fan size makes it easy to mount in all standard computer cases. A key parameter is also the operating voltage, which for this model makes 5 V. There is one fan in this package. Noctua NF-F12 5V PC Fan Key Features The airflow of 54,97 CFM is sufficient for decreasing the temperature in your PC Unique and striking appearance The quality computer fan contains special bearings for prolonged usage Operating voltage: 5 V The NOCTUA Fan Is Perfect for Any Computer Case To connect the Noctua NF-F12 5V, youll need a 3pin connector.