A simple way to test, benchmark, and diagnose USB-C ports — USB4 compatible, up to 20 Gb/s USB-C ports may look identical, but their performance can vary significantly. Some ports operate slower than expected, while others may drop data without warning. Occasionally, a port may work well initially but fail under heavy use. The USB-C 20G Loopback Plug is a compact, pocket-sized tool that quickly identifies these issues. Just plug it into any USB-C port, run a test, and receive
