Unverified85% confidenceDecision RuleTime unknown
HDMI 2.1无源铜线在5米内可稳定跑48Gbps，超过5米需选光纤HDMI（有源）避免4K高刷掉帧或黑屏闪烁
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Related Claims
UnverifiedHDMI仅支持4K@30Hz（HDMI 1.4），需要4K@60Hz或多屏高刷输出的用户不适合82% similarUnverified无源（普通）HDMI线在4K@60Hz下建议不超过5米、48Gbps信号建议不超过3米，超过此长度需选光纤HDMI（有源）线否则易出现闪屏、雪花、断连81% similarUnverifiedHDMI 2.1标准带宽48Gbps，可传输4K 120Hz、8K 60Hz及未压缩的动态HDR元数据；HDMI 2.0带宽18Gbps，上限为4K 60Hz81% similarUnverified无源HDMI铜缆超过5米时4K信号易出现雪花/黑屏，建议5-15米选带信号放大的有源HDMI线，15米以上直接选HDMI光纤线（有方向性，注意Source/Display端标识）81% similarUnverifiedHDMI最高仅支持4K@30Hz，需要4K@60Hz或更高刷新率外接显示器办公/设计的用户不适合80% similar
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