Daisy chaining USB 2.0 devices to Thunderbolt 3 (USB-C) ports

To avoid data-transfer issues, use an adapter to plug your USB 2.0 device directly into a Mac computer's Thunderbolt 3 (USB-C) port.

When you connect a USB 2.0 device to a Mac with Thunderbolt 3 (USB-C) ports, it's best to connect the device directly to the Mac using one of these Apple adapters:

You should avoid connecting a USB 2.0 device to another device that's plugged directly into the computer's Thunderbolt 3 (USB-C) port. This daisy-chained configuration can cause issues with data transfer between the Mac and the USB 2.0 device.

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