CPU TYPE :AMD Athlon 64 UP TO 3400+ AMD ALL Duron Heat sink: Dimension :88*80*53MM Material: Cu Fin+Cu Base DC Fan: Dimension :80*80*25MM Clour : Black Rated Voltage :12V DC Rated speed: 3000RPM Air Flow :38 CFM Noise :33 dB(A) Bearing type :Sleeve Bearing Life :30000 hours