Don't let your hard drive go limp from overheating. With this 3 Fan Hard Drive Cooler , you'll be cooling your hard drive in minutes. It mounts to the drive bay that your hard drive is located and the 3 fans draw in cold air past your hard drive. Extremely easy to install and perfect for those who have their hard drive installed in a 5.25" bay. If you do not have it installed in a 5.25" bay and you wish to, it comes with brackets. Also included with this 3 Fan Hard Drive Cooler is a removable filter to keep the dust out of your system. Extend the life of your hard drive by making sure that it doesn't overheat.