This is 3.5" HDD Hard Disk Drive Cooler Cooling Fan Heatsink. It can Reduce hard disk driver temperature, extend your hard disk driver life and reliable. Good choice for you.                                    Features            Reduce hard disk driver temperature<br>
Extend your hard disk driver life and reliable<br>
                                                            Specifications               Rated Voltage     12V DC     <br>
 Started Voltage     6.5V DC     <br>
 Operating Voltage     9.8 - 14.8V DC     <br>
 Rated Current     0.12A     <br>
 Power Input     1.44W     <br>
 Speed     5000&#177;10%RPM     <br>
 Air Pressure     2.53mm-H20     <br>
 Max Air Flow     10.05 CFM     <br>
 Noise     30db     <br>
 Bearing Type     Sleeve Bearing     <br>
 Connector     4 pin connector     <br>
 Fan Diameter     Approx. 3" x 3" x 0.4" (L x W x H)     <br>
                                                              Package Includes            1 x 3.5" HDD Hard Disk Drive Cooler Cooling Fan Heatsink<br>
4 x Screws<br>
                                                            Extra Info            Compatibility3.5" Hard Disk Drive<br>