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 We supply all kinds of cooling fan,ac axial fan,dc brushless fan,blower,cross flow fan,cpu cooler,led fan,dc fan motor,fan guard etc, in shenzhen city,China,the fans voltage from 5V, 12V,24V,48V, to 110V,220V.the size from 2cm to 17cm,and passed CE .TUV & ROHS safety approval.