The classic serial null-modem cable was, among other things ... [Nick Sayer] needed just such a tool, but one that would work in a modern USB environment. Enter the isolated USB null-modem.

How quickly can this USB cable I've just found in my drawer transfer files? And can I use it to fast charge my smartphone?

Clear logos for cables, docking stations and power supply units are intended to disguise the USB name chaos. After all, names such as USB4 Version 2.0 and USB3.2 Gen 2x2 are anything but ...