About the Apple Thunderbolt 3 (USB-C) Cable
Connect a device that has a Thunderbolt 3 (USB-C) port to a device that has a Thunderbolt 3 (USB-C) or USB-C port.
The Apple Thunderbolt 3 (USB-C) Cable (0.8m) connects a Mac that has a Thunderbolt 3 (USB-C) port to a device that has a Thunderbolt 3 (USB-C) or USB-C port.
Video
Use this cable to connect your Mac to a display that uses Thunderbolt 3 (USB-C) or USB-C for video, such as the LG UltraFine 5K Display or LG UltraFine 4K Display. It supports DisplayPort High Bit Rate 3 (HBR3) video output.
Data transfer
Use this cable to connect your Mac to a device that uses Thunderbolt 3 (USB-C) or USB-C for data transfer, such as an external hard drive or dock. It supports Thunderbolt 3 data transfer speeds up to 40 Gbps, and USB 3.1 Gen 2 data transfer speeds up to 10 Gbps. It also supports Target Disk Mode. Check the specifications of your device to determine which data transfer standard it supports.
Charging
This cable also connects to Thunderbolt 3 (USB-C) or USB-C devices for charging your Mac laptop computer or other device. It delivers a maximum of 100W power to any connected device.
Compared with Apple USB-C Charge Cable
The Apple USB-C Charge Cable is longer (2m) and also supports charging, but data transfer speed is limited to 480 Mbps (USB 2.0) and it doesn’t support video. The Apple Thunderbolt 3 (USB-C) cable has the Thunderbolt
logo on the sleeve of each connector. Either cable can be used with the Apple USB-C Power Adapter.
Learn more
Thunderbolt 3 (USB-C) allows six devices in a chain, so you can use this cable between your Mac and each device in the chain.
Adapters for connecting to the Thunderbolt 3 (USB-C) port on your Mac
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