Description: Direct contact with CPU, heat is easy to conduct all around quickly and effectively 12cm big fan with large air flow, have a better effect of heat dissipation Hydraulic bearing made with copper coil, silent, durable and safe. Fin design, accord with heat distribution discipline, make heat uniformly distributed and easier to conduct A more flexible interface configuration, support large and small 3pin 4pin two power supply interface, you can freely choose.But you can not choose both of them Specification: Double module power supply interface 15-LED Green light quite cooling fan Rated Voltage: DC 12V Connector: 3 and 4pin connector Max.Wind: 58CFM Noise: 25DB Hole Distance: Approx.10.5cm Rated Current: 0.18A Speed: 2100RPM ± 10% Package Includes: 1x 12cm Fan Cooler