This paragraph fans use the latest PC material， leaves anti-broken. Aluminum block thicker than the average fan， cooling stronger! Copper! 

Speed ​​Reference: 2100 ± 10% RPM 

Life span: 40，000 hours 

Noise Reference: 20DBA 

Airflow Reference: 36CFM 

Rated voltage: 12V 

Interface Type: 3-pin motherboard 

Speed ​​Monitoring: Support 

Fans line length: 13cm 

Other accessories: Button 

Package Type: Box 

Scope: CPU cooling， support +771 Duo， Pentium 775， Celeron D775， etc.