12V DC 3000RPM 12CM Cooling Fan High Speed Dual Ball Bearing Air Mining Cooling Fan Heatsink

Specification: 1. Material: ABS 2. Color: Black 3. Power supply: Large 4PIN male and female interface, support multi-fan series 4. Voltage: DC 12V 5. Current: 1.60A 6. Speed: 3000RPM 7. Air volume: 154.5CFM 8. Noise: 55dB-A or so [Because the speed is high, there is noise, and individual buyers are careful to buy] 9. Bearing: High-precision double ball bearing 10. Fan frame: injection molding, PBT+30% glass fiber VO flame retardant, high strength, high hardness 11. Blades: injection molding, PBT +30% glass fiber +VO flame retardant. Industrial grade materials, more durable 12. Fan rotation: counterclockwise from the direction of the blade 13. Operating temperature: -10 degrees Celsius to +70 degrees Celsius 14. Storage temperature: -40 degrees Celsius to +70 degrees Celsius 15. Power range: plus or minus 15% of rated power 16. Insulation resistance: more than 500 megohms 17. Withstand voltage: sink leakage current 0.5mA 500V/1 minute 18. Working life: 80,000 hours at an ambient temperature of 25 degrees 19. Size: (L)X(W)X(H) 12X12X2.5cm /4.72''X4.72''X0.98"(appr.) Features 1. Double ball bearing for hign speed operation. 2. With large 4 Pin connector to support multi-fan series. 3. What you should be aware of is this one without light when working. 4. Fast cooling to keep the computer case operate quickly and safely. Package included: 1x Mining Cooling Fan 4x screws