Your computer operates day and night， which would cause overheating and damages to your computer. So， if the original cooling fan is malfunctioned， you should buy a new computer chassis fan to lower the temperature immediately. This computer chassis fan is specially designed to reduce the internal operating temperature of the computer and as a result， to prolong the lifespan of the computer. Therefore， you can continuously utilize your computer for a long time. Believe me: this computer chassis fan is much more affordable than those of other website.                                    Features            Silent Fan Cooling SystemSpecial high profile fan blades for maximum air flow3Pins Connector Male and FemaleProvide excellent ventilation for your PC cases                                                            Specifications            Speed reference    1800 ± 10% RPM    <br>Bearing Type    Sleeve Bearing    <br>Noise Reference    23 db    <br>Reference air flow    60CFM    <br>Rated Voltage    12V    <br>Rated Current    0.18A    <br>Interface Type    3 Pins    <br>Length    9.4 inches    <br>Size    (3.15 x 3.15 x 0.59) " / (8 x 8 x 1.5) cm (L x W x H)    <br>Color    Black    <br>                                                            Package Includes            1 x Computer Chassis Fan