This free Mac app reveals the truth about your mystery USB-C cables
A new free Mac application called WhatCable allows users to analyze the data capabilities and power delivery specifications of their USB-C cables. The app leverages existing macOS system data to identify connection bottlenecks.
Why it matters
As USB-C becomes the universal standard, tools that help consumers verify cable performance are increasingly valuable for hardware maintenance.
Nearly three years ago, I showed you an awesome $8 cable tester that quickly tells you if your USB-C cable is likely fast, slow, powerful, or weak. Sadly, that gadget got discontinued, and I’ve never found anything as intuitive or inexpensive since. But if you’ve got a Mac with Apple Silicon chips, you can simply download an even more impressive tester for free.
The article is a straightforward product review and technical explanation of a utility tool.
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