The RD7-CA could be considered the Turbo Timer for modern day computers. It keeps the cooling fans of your system running even after the system is shut down. The gradual cool-down protects the electrical components from any damage that a sudden shutdown may cause after normal use of pc. Overclocking at high speed may cause even worse after shutting down abruptly. RD7-CA completely cools down and minimizes the bad effects of heat to the pc.