What Macbook is this compatible with? John July 06, 2018 09:46 Updated Follow A. This adapter was designed for the 12" Macbook. Related articles Quick Guide How do I connect the hub on my 13 inch MacBook Pro? Is this compatible with the new 2018 MacBook Air? Does this device support usb-c/thunderbolt-3 (40gbps & 100w charging)? Can I use both SD and Micro SD card slots simultaneously? Comments 0 comments Please sign in to leave a comment.