Specification:
1. Material: ABS2. Color: Black3. Power supply: Large 4PIN male and female interface, support multi-fan series4. Voltage: DC 12V5. Current: 1.60A6. Speed: 3000RPM7. Air volume: 154.5CFM8. 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 bearing10. Fan frame: injection molding, PBT+30% glass fiber VO flame retardant, high strength, high hardness11. Blades: injection molding, PBT +30% glass fiber +VO flame retardant. Industrial grade materials, more durable12. Fan rotation: counterclockwise from the direction of the blade13. Operating temperature: -10 degrees Celsius to +70 degrees Celsius14. Storage temperature: -40 degrees Celsius to +70 degrees Celsius15. Power range: plus or minus 15% of rated power16. Insulation resistance: more than 500 megohms17. Withstand voltage: sink leakage current 0.5mA 500V/1 minute18. Working life: 80,000 hours at an ambient temperature of 25 degrees19. Size: (L)X(W)X(H) 12X12X2.5cm /4.72”X4.72”X0.98″(appr.)Features1. 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