Unverified85% confidenceFactTime unknown
满血雷电/USB4数据传输(40Gbps)线材长度普遍限制在0.8m以内，超过1m基本只能保证充电不保证高速数据
1
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85%
Confidence
Long-term
Relevance
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First Seen
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Related Claims
Unverified无源（Passive）雷电4线缆在保证40Gbps全带宽下最长仅0.8米，超过此长度需选有源（Active）线，但部分有源线会牺牲USB数据速率降至10Gbps82% similarUnverifiedUSB4/雷电4满速40Gbps传输，被动线缆（无芯片）长度必须≤0.8米，超过0.8米需选带信号中继芯片的主动线缆，否则会自动降速到20Gbps甚至10Gbps82% similarUnverified适配线径范围要留20%余量：桌面走线以USB-C(约3-4mm)和HDMI(约6-8mm)为主时，选卡槽支持3-9mm的理线器；单独理充电线可选3-6mm细槽款78% similar
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