Thunderbolt adapter guide: How to connect an iPhone, display, hard drive, and more to a MacBook or iMac

Make room in your laptop bag or desk drawer.

A new MacBook Pro comes with two or four external ports, depending on the model you pick. A new MacBook Air has a pair of ports. But those MacBook ports are only of one type: Thunderbolt, which is compatible with USB-C. A 24-inch iMac comes with two Thunderbolt/USB 4 ports; some models also include two USB-C ports. You probably have devices that use USB-A, Thunderbolt 1, Thunderbolt 2, DisplayPort, HDMI, or something else.

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