I have an Acer Aspire 5742G. This is quite hot, unfortunately, where their term. especially if you sometimes play a game. I have (just during the summer it was very bad) almost always my fingers burned. so hot was the laptop. without refrigeration, he went to a short term also. I am more than happy with the laptop cooler. My expectations were met in full .. by a fan of the laptop cooled uniformly. the slant ensures that you can still use simple and easy to laptop. Write also works beautifully. If he does not break after 3 months, there is nothing wrong with the fan. unless you have special requests, such as an adjustable height. 21, - cooler for this is as good as a gift. So great value for money! Therefore, 5 *****