Model: SUNON KED1209PTVX Dimensions: 3.6" x 3.6" x 0.98" / 92 x 92 x 25mm Fixed Hole Spacing:2.8’’/71.5mm Rotation Speed: 600/3300 RPM (slightly different in different boards) Power Connector: 4-pin 4-wire (2.54 Motherboard plug, PWM) Wire Length：about 4.5'' / 11.5cm Rated Voltage: DC 12 V Rated Current: 0.58A Rated Power: 7W Airflow: 76.8CFM(Cubic feet per minute) Full-speed Operation Noise Level: 40-47dB-A Temperature Control State Noise Level: 21-25dB-A WARING: Do not touch the fan blades when running to avoid be injure