USB Cheat Sheet | Hacker News

A Hacker News discussion says USB naming and standards remain confusing even for tech-savvy users.

People debated USB 3.2 Gen 2x2, MacBook support gaps, and the differences between USB4 and Thunderbolt.

The key problem is that speed, power delivery, display output, and PCIe support are often optional or inconsistent.

As a result, buyers cannot easily tell what a cable or device will actually support, which affects real-world performance and purchase decisions.