12cm 4-Pin PC Cooling Fan - 9 Blade Silent Shockproof Case Fan with 1100RPM ±10% for Computer Radiator & Gaming PC (Black) | Ideal for Desktop Cooling, CPU Case Fans & PC Builds

Specification: Item Type: Cooling Fan Inner Ring Diameter: Approx. 10.8cm ,4.3in Outer Ring Diameter: Approx. 12cm ,4.7in Number of Fan Blades: 9 Blades Interface: Big 4pin Fan Speed: 1100rpm ± 10% Noise Level: 23dB Airflow: 45 CFM Rated Voltage: DC 12V Rated Current: 0.17 ± 0.03A Bearing Type: Sleeve Bearing Mtbf: 20 ,000 Hours Package List: 1 x Cooling fan 4 x Screws

9 BLADES LARGE AIR VOLUME Large air volume design , 9 fan pages , can achieve large volume heat dissipation

STABLE CONNECTION Enhanced frame design , more solid , can effectively protect the fan from deformation

SHOCKPROOF SILENT Shockproof and silent working mode to prevent you from being disturbed by fan noise

BIG 4PIN INTERFACE Suitable for the heat dissipation of the computer case to prevent the computer from working for too long and overheating

EASY INSTALLATION- Equipped with foot pads, free screws, 4 screws for each fan, easy to install