Unverified85% confidenceDecision RuleTime unknown
被动式(passive)DP转HDMI线依赖DP++(Dual-Mode)技术，若显卡/接口不支持DP++则必须用主动式(active)转换器；AMD显卡多DP口输出常需主动转换
1
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85%
Confidence
Long-term
Relevance
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UnverifiedDP转HDMI是单向的（DP源转HDMI显示），反向需要主动转换器；同理miniDP/雷电2口Mac接HDMI显示器要认准DP协议兼容的转接头77% similarUnverified不要用DP转HDMI/VGA的无源转接头跑高刷或双向传输，DP++（Dual-Mode）已在新显卡上逐步取消，被动转接常导致无信号，需用带芯片的主动转接器77% similarUnverified不要用HDMI转DP或DP转HDMI的无源转接线跑高分辨率，被动转接常受限于单方向且带宽受限，高刷需求应选原生同接口线或主动式转换器73% similarUnverifiedDP转HDMI是单向转换，DP作为源(source)输出到HDMI显示器；反向HDMI转DP无法使用普通被动线，必须购买带独立供电的有源转换器73% similarUnverifiedDP接口本身支持音频传输(与HDMI一致)，DP转HDMI线绝大多数可传音频；但DP转VGA、DP转DVI因目标接口限制无法传音频，需另接音频线72% similar
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