ASSASSIN IVThe ASSASSIN returns with a new aesthetic and efficient cooling capacity. The ASSASSIN IV provides exceptional performance and is armed with seven heat pipes and newly designed 120 and 140mm FDB fans. Application ForIntelLGA2066/2011-v3/2011/1851/1700/1200/1151/1150/1155AMDAM5/AM4 Technical Spec Product Dimensions 144×147×164 mm(L×W×H)Heatsink Dimensions 140×110×160 mm(L×W×H)Net Weight 1575 gHeatpipe Ø6 mm×7 pcsFan Dimensions 140×140×25 mm(L×W×H) / 120×120×25 mm(L×W×H)Fan Speed (Performance Mode) 500~1800 RPM±10% / 500~1700 RPM±10%Fan Airflow (Performance Mode) 61.25 CFM / 58.06 CFMFan Air Pressure (Performance Mode) 3.76 mmAq / 2.1 mmAqOverall Noise (Performance Mode) =29.3 dB(A)Fan Speed (Quiet Mode) 500~1450 RPM±10% / 500~1350 RPM±10%Fan Airflow (Quiet Mode) 48.55 CFM / 46.75 CFMFan Air Pressure (Quiet Mode) 2.46 mmAq / 1.35 mmAq Overall Noise (Quiet Mode) =22.6 dB(A)Fan Connector 4-pin PWMBearing Type Fluid Dynamic BearingFan Rated Voltage 12 VDCFan Rated Current 0.2 A / 0.2 AFan Power Consumption 2.4W / 2.4 WRated Voltage 12 VDCPower Consumption(Performance Mode) 4.8 WPower Consumption(Quiet Mode) 3.6 WEAN 6933412728092P/N R-ASN4-BKNNMT-G