120mm 6000RPM 4Pin Cooling Fan Cooler For Antminer S7 S9

Specifications: 1. Connector: 4 Pin, original server dual connector. 2. Size: approx. 120 * 120 * 38mm 3. Voltage: DC 12V 4. Current: 2.70A 5. Rotating Speed: 6000RPM 6. Air volume: 210.38CFM 7. Wind pressure: 21.60mmH2O 8. Noise: 64dB-A Features: 1. Bearings: High precision double ball bearings 2. Fan frame: injection molding, PBT+ 30% glass fiber +VO flame retardant. 3. Fan blade: injection molding, PBT+ 30% glass fiber +VO flame retardant. 4. Fan rotation: the direction of the fan blade is counterclockwise. 5. Operating temperature: -10 degrees Celsius to +70 degrees Celsius 6. Storage temperature: -40 degrees Celsius to +70 degrees Celsius 7. Power range: plus or minus 15% of rated power supply. 8. Insulation resistance: more than 500 megohms 9. Withstand voltage: sink leakage current 0.5mA 500V / 1 minutes 10. Working life: 80,000 hours when the ambient temperature is 25 degrees 11. The scope of application: Workstation cooling / server CPU cooling Package Included: 1 * 120mm 6000RPM 4Pin Cooling Fan Cooler For Antminer S7 S9