Unverified82% confidenceTradeoffTime unknown
金属外壳扩展坞导热更好但本身会烫手，塑料外壳温度感知低但散热差易内部积热导致降速；多接口高负载场景优先选铝合金机身+带散热设计的款
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
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Unverified扩展坞接口越多、供电越强则发热越大，全金属外壳（铝合金）虽本身发热感更明显但散热更好，塑料壳摸着凉实际内部积热更严重更易降速91% similarUnverified外壳材质与散热权衡：铝合金散热好但快充时更烫手且导电需做绝缘处理，塑料外壳更安全但高功率下易积热，20W以上快充优先塑料+散热结构90% similarUnverified多口扩展坞满载运行时（外接显示器+网口+存储）功耗集中发热明显，铝合金外壳散热优于塑料外壳，长时间使用应选金属机身避免降频掉线89% similarUnverified全金属外壳扩展坞发热更明显但散热更好、性能不降速；塑料外壳虽握感凉，但高负载（千兆网+4K+多USB）时内部积热易触发降速或断连89% similarUnverified带PD直通和多口输出的扩展坞在满载时发热明显，选购时优先带金属外壳(铝合金)机型散热优于塑料，长时间连接可降低降频掉线风险88% similar
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