1、Provides strong heat dissipation, can efficiently cool the machine temperature. 2、With double ball bearing, the fan run stably and silently. 3、Easy to install and use. 4、Suitable for extreme cooling or server use. 5、Adopting DC12V power to give a high performance while saving power. Features: 1. Provides strong heat dissipation, can efficiently cool the machine temperature. 2. With double ball bearing, the fan run stably and silently. 3. Easy to install and use. 4. Adopting DC12V power to give a high performance while saving power. 5. Advanced design eliminates noise to give a quiet heat dissipation. 6. High quality material enables this cooling fan to work for a very long time. 7. Suitable for extreme cooling or server use. Specification: Model: SHLF1212FHE-06: For FFB1212VHE-5A61 Bearing: double ball Voltage: 12V Current: 1.5A Speed: 4500 RPM Air volume: 200CFM Noise: 25-40DB Lead wire: 4P line length: 35CM with PWM function Power range: plus or minus 15% of the rated power supply Insulation resistance: greater than 500 MΩ Withstand voltage: sink current 0.5mA 500V / 1 minute Working life: 150,000 hours when the ambient temperature is 25 °C Size: about 12*12* 3.8cm/ 4.72* 4.72* 1.5in Scope of application: -10 °C to +70 °C Package List: 1 * FanNote: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.