Unverified80% confidenceCautionTime unknown
台式机主机后置USB口足够时不建议买昂贵的雷电扩展坞,雷电4坞成本主要花在40Gbps带宽和菊花链功能上,普通外设用不到,纯粹浪费
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80%
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Long-term
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Unverified预算有限且只需单屏+外设扩展时不必买TB4坝,USB-C(DP Alt Mode)扩展坞即可满足单4K@60Hz+千兆网+USB口,价格约为雷电坞的三分之一77% similarUnverified迷你主机普遍无法安装独立显卡(除极少数带PCIe插槽的4-8升机型),需要独显性能应通过USB4/雷电外接显卡坞实现,但会有约15-20%性能损耗73% similarUnverified标准配电箱为35mm DIN导轨安装,选购前需测量断路器模数(每18mm为1P)与箱内剩余空间,带计量的智能断路器普遍占2-4P,老配电箱位置不足时改造成本高72% similarUnverified智能插座自身待机功耗约0.3W~1W,全屋部署20个即全年多耗电50~175度,长期常开的设备(如冰箱)不必用智能插座,反而增加无谓待机损耗71% similarUnverified散香器功耗极低(约3-5W,全天插电月耗电几乎可忽略),耗电量不应成为选购顾虑;真正的持续成本在耗材芯片70% similar
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