USB4 unifies the USB and Intel Thunderbolt protocols for the first time. Adding features like dynamic bandwidth allocation ensures that USB4 is by far the most advanced USB generation. While there are PCs, docks, and cables supporting USB4, we’ve yet to see everything the protocol can do. With all that going on, we thought it would be a great time to put a spotlight on the latest and greatest generation of USB. We’ve whipped up a handy refresher for all things USB4 with our guide to the spec, from how it differs from other specs to protocol tunneling, Alt Mode, and power delivery. We’ll also give a look at how USB4 can be used to power an eGPU without Intel branding in the future. . . .