This is somewhat surprising seeing that the 12-inch MacBook features USB-C connectivity, but it is not a dual-port also capable of Thunderbolt 3.Īs we noted in our full MacBook lineup comparison, the 12-inch MacBook’s USB-C port maxes out a throughput of 5 Gbps, while the Retina MacBook Air’s Thunderbolt 3/USB-C port maxes out at 40 Gbps and supports USB 3.1 Gen 2, which enables speeds of up to 10 Gbps for non-Thunderbolt 3 accessories USB-C and Thunderbolt 3 Hubs One important thing to note right off the bat is that both USB-C ports on the new MacBook Air are also Thunderbolt 3 capable. Read on as we roundup some of the MacBook Air accessories with USB-C & Thunderbolt 3. While the transition to USB-C is bound to be bumpy for some MacBook Air users, it also opens the MacBook up to a host of new accessories and peripherals. As many anticipated, the new MacBook Air drops all of its legacy ports in favor of USB-C. Apple finally debuted its long-awaited new Retina MacBook Air last Tuesday.