HDMI 2.1 标准混乱，DisplayPort 2.0 不跟随：线缆全部打上标签

3 月 1 日消息，经过数月的延迟，DisplayPort 2.0 标准终于要实装了。视频电子标准协会 (VESA) 表示，为了确保客户能够分辨线缆或设备是否支持该标准，将采用新的认证计划。

据介绍，DisplayPort 2.0 支持 DisplayPort UHBR（超高比特率）数据传输，为了分清规格，VESA 推出了新的 DP40 和 DP80 UHBR 线缆。

带有 DP40 标记的线缆将在四个通道上支持 UHBR10 标准（最高 10Gbps），总计 40Gbps；

带有 DP80 标记的线缆将在四个通道上支持 UHBR20 标准（最高 20Gbps），总计 80Gbps。

VESA 表示，支持 DP40 和 DP80 标准的全尺寸 DisplayPort 和 Mini DisplayPort 的线缆已经投入生产，首批显示器和其他设备已经通过认证测试。

IT之家此前报道，HDMI 2.1 标准的混乱引发了诸多指责，该标准相关的所有新功能和特性都是可选的，需要另外说明。这意味着所有新设备都可以标有 HDMI 2.1，而不知道这一改变的用户将无法正确买到想要的设备。

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