海外来源：Engadget 2026-11-01 00:15（北京时间）

How long is too long for a USB cable?

USB 线缆最长能有多长？

要点导读

USB cables, much like their HDMI cousins, have limits on how long they can be. The thing is, those limits are probably much lower than you expected.

USB 线缆和它们的 HDMI 同类一样，长度是有限制的。问题是，这些限制可能比你预想的要低得多。

原文来源：Engadget（engadget.com）。本页摘要与要点整理自公开来源，版权归原作者所有，完整内容请阅读原文。