Few people have a full range of USB-C or Thunderbolt gear, so you’ll likely need a USB-C hub to add different ports—such as old-school USB-A—to your Mac. In general, an “adapter” works ...

Apple’s older 12in MacBook features one 5Gbps Gen 1 USB-C port, while the later Intel MacBook Air (2018 and later) and MacBook Pro (from 2016) boast either two or four 40Gbps Thunderbolt 3 ports.