Ejecting a drive is quite simple on a Mac. Open Finder, and in the sidebar, click on the tiny eject button next to the drive you wish to disconnect. Once you no longer see the drive listed, you ...

Given that the peripheral is USB 3.2 type C and not Thunderbolt 3, it will work on either a Mac or a USB-C iPad Pro. As we've mentioned, it adopts a fairly standard style for the class of peripheral.