| 摘要 |
An electronic device and a heat dissipation unit thereof are provided. The electronic device includes a housing, a circuit board, a heat source, a heat dissipation system and a heat dissipation unit. The circuit board is disposed in the housing and the heat source is disposed on the circuit board. The heat dissipation abuts the heat source, and the heat dissipation unit, disposed on the housing, abuts the heat dissipation system, wherein a portion of the heat dissipation unit is exposed outside of the housing. The heat dissipation unit includes a connecting portion, a heat exchanger, and a heat pipe. The connecting portion, disposed in the housing, abuts the heat dissipation system. The heat exchanger is disposed in the housing, and a portion of the heat exchanger is exposed outside of the housing. The heat pipe connects the connecting portion with the heat exchanger.
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