Item :CPU cooler C4P4 430 Specification Fan size :70×70×25mm Max air flow :34CFM Rated voltage:12V DC Fan speed:300±10%rpm Noise:28dB( A) Bearing type :Rilfe Bearing Application Scope: Intel Pentium 4 2.8GHz and higher Intel Celeron D 2.8GHzother accessories: 3*16 screw silica gel 403 device PP bag