Thermaltake Riing Cooling Fan - 3 Pack - 5.51" Maximum Fan Diameter - 382.6 gal/min Maximum Airflow - 1400 rpm - Hydraulic Bearing - 4-pin PWM - Red, Blue, White, Green LED - 3 - Chassis - 4.6 Year Life

The latest Riing RGB Series fan introduced by Thermaltake is a patented circular 256 multi-colored 140mm radiator fan. Users can freely adjust fan speed as well as fan colors by clicking "MODE" , "PLAY/PAUSE" , and "SPEED" button on the fan controller. The fan blades are optimized to enhance static pressure for an impressive cooling performance. Hydraulic bearings for silent operation guarantee ultra-low noise, and the anti-vibration mounting system strengthens the product's stability during operation. The color and brightness uniformity of the multicolored LED ring is visible from all directions and adds style to the chassis.