The European Union's decision to make USB-C mandatory for smartphones, tablets and many small electronics has largely ended the long-running chaos of incompatible cables. Consumers no longer need a different cable for every brand, since one connector shape is now shared across most devices.
But a shared connector shape does not mean shared internal technology. Two USB-C cables that look identical can behave very differently: one might top out at 60W while the other handles up to 240W, and one might only charge while the other also carries USB4-speed data.
That difference comes down to internal wire gauge, the amount of copper used, and whether an e-marker chip is present. Above 60W, a cable without an e-marker chip cannot safely negotiate with the device, so the charging speed gets capped automatically as a safety measure.
The practical takeaway is simple: check the wattage and data-speed rating printed on the box or cable label before assuming compatibility. Charjett's UltraSpeed Turbo line lists both power and data specifications clearly, which is exactly the kind of transparency that cuts through this confusion.