Do Thunderbolt 3 USB fit USB C ports
Are Thunderbolt 3 USB cords fit USB C ports without a adapter?
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The connector used for ThunderBolt-3 is exactly a USB-C connector.
Note that USB-C is the name of the connector, ONLY, and you must pay close and careful attention to the FUNCTION of any cables you buy. Cable manufacturers are mostly not very clever about this.
The classic counter-example of how we would LIKE it to work is the MacBook Charge cable. It contains only charge conductors, and no high-speed data pathways at all, but has USB-C connectors at each end. This cable looks great, but can not possibly run a display or a fast external drive. But it turns out it can further vex you because it does have slow USB-2 (suitable for a keyboard) which it uses in negotiating USB-C power delivery.
