My picks of the best USB-C cables below are separated into two groups: those cables that are best for charging, and those best for both charging and fast data transfer. Compared to our picks above, we wouldn’t advise purchasing any of the other USB-C cables we tested. USB-C cables that didn’t make the cutDockcase 8.5-inch USB-C cable Best Prices Today: Retailer Price Check Product Price The Dockcase USB-C to USB-C cable is the worst value here if you only judge a cable by length and price. All of the USB-C to USB-C cables fell into the standard 60-watt or 100-watt camps. Basic USB-C charging cables will not enable advanced drives such as this G-Drive Thunderbolt 3-based SSD, despite the USB-C plug fitting.