AC Deepcool LGA115X  "THETA21 PWM" (17.8-33.4dBA, 900-2400RPM, 45.9CFM, 92mm PWM fan, 95W) //  Overall Dimension : 100X100X60.5mm Fan Dimension : Ф92X25mm Net Weight : 370g Bearing Type : Hydro Bearing Rated Voltage : 12VDC Operating Voltage : 10.8～13.2VDC Started Voltage : 7VDC Rated Current : 0.13±10%A(MAX) Power Input : 1.56W Fan Speed : 900±150~2400±10%RPM Max. Air Flow : 45.91CFM Noise : 17.8~33.4dB(A) http://www.deepcool.com/product/cpucooler/2013-12/7_254.shtml