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. 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.Specification:Fan type: DC axial fanFan size: about 80*80*25mm/3.15*3.15*0.98inFan model: SHLF0812LHE-12: For AFB0812SH-AV33Voltage range: DC 7.0V ~ 13.8VNominal voltage: DC 12VNominal current: 0.51AInput current: 0.34AInput power: 4.08WInterface: 2pinRated speed: 4000 R.P.MNoise: 40.0 dB-AMotor bearing type: double ball bearingAir volume: 46.62 CFM (cubic feet per minute) = 1.320 m3 /min (cubic meters per minute)Wind pressure: 6.78 mmH2O (mm/water column) = 0.267 inH2O (inches/water column)Scope of application: -10 C to +70 CPackage List:1 * Fan