Sunshine-tipway&reg;2 Fan Notebook Internal Cooling Ventilation Laptop Cooler with 12.7mm Sata Interface and Installation Optical Drive Bay The cooler radiator can directly install to your laptop and powered by internal SATA device, no need external adapter and no need USB interface. The cooler radiator can be internally hidden to your laptop, thus it can easy to carry and save the desktop space. Applying with extreme update dual fan to have high spinning speed to well cool your laptop heat, moreover there is no nosie when it's working, it's much helpful to extend your laptop lifetime. Effectively reducing the notebook temperature to avoid CPU temperature hot graphics and other computer crashes, blue screens, crashes, etc., you can extend the life of the computer Oprical radiator can overall reduce the heat of the computer rather than only CPU and display card cooling