After countless dongles and adapters, most people now own smartphones, laptops, and accessories that, hopefully, all support charging and data transfer through the USB-C standard. For instance, the iPhone 17 Pro boasts transfer speeds of up to 10 Gbps through its USB-C port, but the cable that Apple ships in the box isn't capable of delivering those speeds. The existence of standards like Thunderbolt 4, USB4, DisplayPort Alt Mode, and Power Delivery means not all USB-C cables are the same. Well, if you own a Mac with Apple Silicon, you can install WhatCable, an app that helps you identify the capabilities of your USB-C cables. Download and launch the app, connect a device or charger with a USB-C cable to your Mac, and the app will start displaying information.