This highly-effective PC fan improves the air circulation in your computer and adds the possibility of modifying the look of the PC case with the help of the LED backlighting. The ARCTIC P12 PWM PST A-RGB 0dB Black will at first glance catch your attention with its modern design, which is enhanced by the RGB backlighting colour. If you bought a PC with a transparent side panel, the ARCTIC P12 PWM PST A-RGB 0dB Black is the ideal solution for you. The 120 mm fan size makes it easy to connect with all standard computer cases. Also consider the operating voltage, which in this case is 12 V. There is 1 fan in this package.