CPU Cooler for P4 socket 478 up to 3.2GHz http://www.arkua.com.tw/proddetail.asp?linenumber=46 Cooler outline dimension: 97x95x64.5mm Weight: 342.1g Heat sink dimension: 83x69x36mm Material: aluminum Fan dimension: 70x70x25mm Bearing type: ball bearing system Rated voltage: 12v dc Speed: 4, 200 +/- 10% rpm Noise level: 35.0 +/- 10% db (a) Air delivery: 32.9+/- 10% cfm