Is it necessary to buy a cooling dock for a gaming laptop?

It is necessary, especially in the summer, basically every game book to play large games can not suppress the temperature. Now the main limitation of the development of laptop game book is actually not the size of the hardware. Rather, it is the heat problem. So many businessmen in the design of the time is actually impossible to perfectly solve the problem of heat dissipation. When playing the game actually still need an external radiator to assist the computer to dissipate heat. To avoid excessive heat loss machine life and overheating caused by downclocking game lag phenomenon.