At maximum revolutions, noise decently, strains. Externally, everything is ok. Practically, there is little use from him. Pulls a couple of degrees .. As a result, the growth of cooling is minimal or equal to 2-4 degrees .. If the laptop is constantly transferred from place to place, then with this piece, glued on the side, it is not convenient at all, tc will peel off. And a regular tape, shit. On double-sided tape 3 m, the norms are kept. As a result, if heated-clean from dust, change thermal grease, clean the cache, check for viruses, reinstall the driver (sound, video), sooner or later, there may be failures and require reinstallation.