[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

USB4/雷电4线缆的被动线(无芯片)最大长度只能做到0.8m保持40Gbps全速,超过0.8m必须用主动线(内置信号中继芯片),否则会降速到20Gbps以下

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