USB4 and USB-C: A Closer Look
The switch to USB Type-C and USB4 was supposed to streamline the ecosystem, but the reality is more convoluted. USB4 can indicate a port or cable with a handful of specs and features, few of which are guaranteed across all certified devices and accessories. USB4 is not a guarantee of performance, as not all USB-C ports and cables are using the USB4 standard. The USB Implementers Forum (USB-IF) has introduced new logos that display the data transfer rate (expressed in Gbps) and charging speed (expressed in W) directly on the cable and its packaging. These logos and specs are more insightful than the USB4 logo alone. Not every USB4 port or cable can match the capabilities of a Thunderbolt port, and the USB4 logo can be misleading. When evaluating a device, accessory, or cable's capabilities, look for specific symbols and specs that indicate the exact specifications of the port or cable. This guide will help you navigate the complexities of USB4 and ensure you're making informed decisions about your tech purchases.
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