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Cable Tester Affilate link
Cable Tester Affilate link
This little USB‑C cable tester is what I used to stop guessing what my cables can actually do. I’ve got loads of cables, and this makes it dead obvious which ones support proper power delivery, what data speeds they claim, and whether there’s an E‑Marker present.
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Pros
- +Helps identify USB-C power delivery capability
- +Shows data capability (e.g., 40Gbps vs 480Mbps)
- +Confirms whether an E‑Marker is present on USB‑C cables
Cons
- -Another gadget to buy if you just want a simple cable
- -You still need to interpret the results and match the cable to your use case
