Noctua

Type: Fan & HeatsinksFan Size: 140mmCompatibility: Intel socket LGA1366 / LGA1156 / LGA775 - AMD socket AM2 / AM2+ / AM3 (backplate required)Bearing Type: SSORPM:Rotational Speed (+/- 10%): 1200 RPMRotational Speed with L.N.A. (+/- 10%): 900 RPMRotational Speed with U.L.N.A. (+/- 10%): 750 RPMA..