macbook pro cable question

If you have wi-fi or an ethernet router in your house you can connect them both to the same network via wi-fi or via standard ethernet cables to the router (i.e., not directly to each other). If your new one only has USB-C and you want to use ethernet: The Belkin USB-C to Gigabit Ethernet Adapter - Apple

If you want to use target disk mode instead, see the following: How to use target disk mode to move files to another computer - Apple Support

Also see: How to move your content to a new Mac - Apple Support

The best way to do this transfer is to connect BOTH computers to Ethernet ports on your Router.

You will also need to enable File Sharing:

System Preferences > Sharing > File Sharing ...

... and specify what should be shared. (default is the Public Folder.).

If both computers have Ethernet ports, any which physically plugs in. If the new one has only USB-C ports, get a USB-C to Gigabit Ethernet adapter.

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