Unverified80% confidenceTradeoffTime unknown
带宽越高的线材抗弯折性越差且越粗硬，48Gbps HDMI 2.1线通常比2.0线更粗，狭小空间理线困难；若设备只到4K@60Hz，选18Gbps线更柔软易走线
1
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80%
Confidence
Long-term
Relevance
-
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Unverified带宽越高的放大器（18Gbps/48Gbps）对线材质量要求越高，长距离场景下放大器带宽与线材铜芯规格需匹配；盲目买48Gbps放大器搭配廉价细线反而更容易断流82% 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 60Hz80% similarUnverified带宽越高越面向未来，但18Gbps以上的高带宽矩阵对HDMI线材极其挑剔，必须搭配认证的Premium High Speed线，杂牌线会导致高带宽矩阵反而不如低带宽稳定80% similar
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