Not all Thunderbolt cables work as true USB 3.1 Type-C cables, and a standard Type-C cable without the Thunderbolt designation is never compatible with Thunderbolt devices. The new Thunderbolt 4 cables can work with both Thunderbolt 3 devices and Thunderbolt 4 ports. Don’t try connecting two Thunderbolt 4 devices with a Thunderbolt 3 cable.
USB-C PD covers a range of different power levels, with different amperage and voltage combinations that a charger can deliver, depending on what the device asks for and the cable negotiates. MaryA Thunderbolt expansion dock lets you connect a single cable to a Thunderbolt port and then provides different kinds of ports to your PC. These may include an Ethernet connector, an HDMI port, multiple USB ports, and a 3.5 mm headphone jack. Conversely, USB C can only offer individual connections in single ports.
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