Unverified90% confidenceTradeoffTime unknown
速率越高发热与功耗越大：千兆网卡几乎不发热免驱即用，2.5G轻微发热，万兆电口网卡满载功耗可达5-15W需散热片，日常仅上网千兆足矣
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90%
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Long-term
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Unverified万兆网卡(10GbE)在满速运行时发热极高，PCIe款需主动散热或良好机箱风道，2.5G及以下通常被动散热即可；万兆网卡长期高负载建议加装小风扇避免降速84% similarUnverified端口速率与散热的权衡：万兆电口（10GBASE-T）发热远高于万兆光口（SFP+），万兆电口机型几乎都需主动散热风扇，追求静音应优先选SFP+光口方案78% similarUnverified端口速率越高发热越大，万兆交换机基本都带主动散热风扇，噪音明显；如需静音且放客厅/卧室，优先选无风扇(fanless)被动散热的千兆或2.5G交换机78% similarUnverified无线充电功率越高越暖越快但发热越大、电池损耗越快，日常通勤7.5W慢充过夜足够，赶时间才需15W77% similarUnverified功率越高体积越大发热越明显：140W单口充电器普遍比65W重一倍以上，长途出行只带一个设备时，65W-100W在便携与够用间最平衡74% similar
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