Features: 1.Provides strong heat dissipation, can efficiently cool the machine temperature. 2.Easy to install and use. 3.Adopting DC12V power to give a high performance while saving power. 4.Advanced design eliminates noise to give a quiet heat dissipation. 5.Suitable for chassis cooling, CPU heatsink, power supply fan modification, water cooling and heat dissipation, game machine cooling, high reliability server application. specification: 1. Provides strong heat dissipation, can efficiently cool the machine temperature. 2. Easy to install and use. 3. Adopting DC12V power to give a high performance while saving power. 4. Advanced design eliminates noise to give a quiet heat dissipation. 5. High quality material enables this cooling fan to work for a very long time. 6. Suitable for chassis cooling, CPU heatsink, power supply fan modification, water cooling and heat dissipation, game machine cooling, high reliability server application. : Model: SHLF0812KHE-11 Size: about 80*80*25mm/3.15*3.15*0.98in Bearing: hydraulic bearing Standard voltage: 12V Current: 0.41A Speed: 4000RPM Air volume: 38.55CFM Maintain continuous running time: 80,000 hours Fan interface: Motherboard 4-pin connector Additional Support speed measurement, PWM intelligent temperature control Scope of application: -10 C to +70 C Package List: 1 * Fan