The fan can be heard something like a modern refrigerator fan. Fairly quiet and only a slight vibration.
The expected cooling effect it does not seem to bring, but that may be linked to my stupid Fujitsu Amilo XA 1526 are the fast
overheated, what a bad design of the laptop!
The processing of the Zalman is ok. Metal mesh on plastic base. But a bit uncomfortable high for typing. :-(