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 --><p>FEATURES</p><ul class="p_f"><li>Reduce hard disk driver temperature</li><li>Extend your hard disk driver life and reliable</li></ul><!--Specifications --><p>Specifications</p><table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr> <td width="131">Rated Voltage</td> <td width="365">12V DC</td> </tr><tr> <td>Started Voltage</td> <td>6.5V DC</td> </tr><tr> <td>Operating Voltage</td> <td>9.8 - 14.8V DC</td> </tr><tr> <td>Rated Current</td> <td>0.12A</td> </tr><tr> <td>Power Input</td> <td>1.44W</td> </tr><tr> <td>Speed</td> <td>5000&#177;10%RPM</td> </tr><tr> <td>Air Pressure</td> <td>2.53mm-H20</td> </tr><tr> <td>Max Air Flow</td> <td>10.05 CFM</td> </tr><tr> <td>Noise</td> <td>30db</td> </tr><tr> <td>Bearing Type</td> <td>Sleeve Bearing</td> </tr><tr> <td>Connector</td> <td>4 pin connector</td> </tr><tr> <td>Fan Diameter</td> <td>Approx. 3" x 3" x 0.4" (L x W x H)</td> </tr></tbody></table><!--Package Includes --><p>Package Includes</p><ul><li>1 x 3.5" HDD Hard Disk Drive Cooler Cooling Fan Heatsink</li><li>4 x Screws</li></ul><!--Extra Info --><p>Extra Info</p><b>Compatibility</b><ul><li>3.5" Hard Disk Drive</li></ul><!--produts_compatibility -->