Abstract: The present invention is to provide a mechanism for fast fastening fans of a server, comprising a fastening frame of hollow parallelepiped shape having at least one divider for dividing an internal space thereof into a plurality of compartments, each compartment being adapted to fasten a fan therein; a plurality of first fastening members each disposed inside the compartment perpendicular to the divider and having a positioning groove abutted on the divider; and a plurality of second fastening member disposed on a housing of the server and being adapted to the corresponding first fastening members so that the fastening frame along with the fans can be assembled to or detached from housing quickly, resulting in an increase of the assembly and maintenance efficiency.

Abstract: The present invention is to provide a heat dissipation device of a server comprising a first and a second heat dissipation units respectively mounted adjacent to a CPU and a power supply of the server for cooling the CPU and the power supply based on the temperatures thereof, wherein the current of air set up by the fans of the first and the second heat dissipation units can dissipate heat from the CPU and the power supply respectively without interfering heat generated by the CPU with heat generated by the power supply or vice verse. Thus, the heat dissipation of the CPU and the power supply will respectively be controlled in an easy and precise way.