Features:
4-wire 4pin connector for easy connection.
7 fan blades and 7500RPM rotating speed ensures fast cooling.
Perfect fit for Antminer S7 S9.
Injection molding technology, delicate and delicate.
High accuracy double ball bearings.

Specifications:
Applicable Models: For Antminer S7 S9
Connector: 4-wire 4Pin interface
Voltage: DC 12V
Current: 5.0A
speed: 7500RPM
Air volume: 280.38CFM
Wind pressure: 24.60mmH2O
Noise: 64dBA
Bearing: High-accuracy double ball bearing
Fan rotation: counterclockwise from the direction of the fan blade
Working temperature: -10 °C ~ + 70 °C
Storage temperature: -40 °C ~ + 70 °C
Power Range: ±15% of Rated Power
Insulation resistance: >500MΩ
Withstand voltage: Leakage current 0.5mA 500V / 1 minute
Working life: 80,000 hours at an ambient temperature of 25 degrees
Applications: Workstation/Server CPU Cooling
Fan Frame: Injection Molding, PBT + 30% Glass Fiber + VO Flame Retardant
Wind blade: injection molding, PBT + 30% Glass fiber + VO flame retardant
Cable length: Approx. 32cm / 12.6inch
Size: Approx. 12 x 12 x 3.7cm / 4.7 x 4.7 x 1.5inch
Color: Black
Package weight: 309g

Package List:
1 x Cooling Fan

Note: 
1. Please allow 1-3cm errors due to manual measurement.
2. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.
3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.