Features: brand new and high quality Double tower design greatly enhances heat dissipation efficiency Refreshed exterior design for improved lighting and fan blades for a quiet airflow performance Red light cooling performance design for all of the users wanting lighting effects that are fully customizable The larger surface area increased the surface area of the fins on the radiator for better heat dissipation Support for Intel LGA2066/2011-v3/2011/1366/1156 /1155/1150/775. AM4/AM3+/AM3/AM2+/AM2/FM2+/FM2/FM1 Specifications: Material:Aluminum Speed: 600-1600RPM(PWM)±10% Air Volume: 66.3CFM Wind Pressure: 1.7mmH2O MTTF: 16,000 hours Noise: 9-31dBA Power Connector: 4-PIN (PWM) Rated Voltage: 12VDC Rated Current: 0.23A Power Consumption: 2.76W Size (including fan): Approx. 135x123x159 mm/5.31x4.84x6.25 inches Package Includes: 1 Set CPU Cooler Fan note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.