Hydraulic Bearing Red 120mm 9 Blade LED Ultra Silent Case Fan w/15 LEDs & Anti-Vibration Rubber Pads Illuminating Cooling Silent Fan for Computer Cases, CPU Coolers, and Radiators by DGQ DGQ Cooling case fan with 9 blades 15 LED great for pro gamers and well-paid programmers use Noise Level:below 21dB silent application for CPU cooling; Voltage:DC 12V;Speed:120010% RPM;Air Flow:51CFM10% Anti-vibration pads and Hydraulic Bearing for better performance. LED DC fan Connector : big 4 Pin & 3 Pin. 120mm fan Size : 120x120x25(mm) (4.7" x 4.7" x 1"),Pack of 3sets.