Thunderbolt and USB have been standards for years, but the latest versions are more difficult than ever to tell apart. Here's what you should know.

If you want to use the highest USB speed, it is best to use certified cables. However, they are often not clearly labeled.

Thunderbolt (3, 4, or 5) and USB4 cables offer the highest charging and data transfer speeds possible for USB-C as of this writing. But most people don’t exactly need those tip-top specs ...

and the iPad Pro has a USB4/Thunderbolt port that can zip data along at 40Gbps. Check your iPad’s data transfer rate before choosing a new cable. For charging only, any of the USB-C cables ...

The USB Implementers Forum (USB-IF) has rolled out updated logos that ditch the perplexing nomenclature, according to a ...

or other data-intensive tasks. You can easily distinguish Thunderbolt 4 and USB4 cables and ports by looking for the small lightning bolt logo. This logo is found on both the ports and cables.