| 摘要 |
A power supply includes a housing, a printed circuit board, at least one electrical element and a fan assembly. The housing has an interior and an exterior. The printed circuit board is provided in the interior of the housing, while the electrical element is attached onto the printed circuit board. The fan assembly is also provided in the interior of the housing. The fan assembly includes a shell and a fan. The shell includes two surface boards and plural side walls connected between the two surface boards. The interior and the exterior of the housing are communicated by a first hole formed on one of the two surface boards and at least one second hole formed on one of the plural side walls. The fan is mounted in the shell to ventilate the interior of the housing through the first hole and the second hole.
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