PC Fan NOCTUA NF-A15 HS-PWM Chromax Black Swap:The NOCTUA NF-A15 HS-PWM Chromax Black Swap typifies a very effective computer fan that is ready to regulate the cooling in your computer. This computer fan will suit those who do not want to be disturbed by light from the inside of the PC in the evening, because this model does not have any backlighting. Another advantage is also the the lower cost of the fan. This 140 mm fan size makes it simple to connect with all popular PC case formats. Also consider the operating voltage, which in this case is 12 V. There is one fan in this package. NOCTUA NF-A15 HS-PWM Chromax Black Swap Computer Fan Key Features The airflow of 82,52 CFM is sufficient for decreasing the temperature in your PC Distinctive and original style The quality computer fan contains special bearings for smoother air flow Operating voltage: 12 V The NOCTUA PC Fan Is Suitable for All Types of Computer Cases To connect the NOCTUA NF-A15 HS-PWM Chromax Black Swap, you also need a 4pin PWM connector.