The configuration of the apple USB- interface Thunderbolt 3 standard for the new MacBook Pro today, Apple also released detailed supporting documents to disclose some previously unknown details about the new interface, and introduces to connect different accessories, all need to use the converter.
According to the document display, 15 inch and 13 inch MacBook Pro MacBook Pro entry (without Touch Bar) all the Thunderbolt 3 interface provides full performance, but it should be noted that the speed performance with Touch Bar 13 inch MacBook Pro only two interface supports Thunderbolt 3, to know it was four a total of interface.
Specifically, the 13 Touch MacBook Pro with Bar on the right side of the two interface Express PCI bandwidth is somewhat lower, and is not a full speed Thunderbolt 3 interface. In this regard, apple recommends that users will be high performance devices into the machine on the left side of the two interface to get a more rapid experience. When connecting the USB accessories, all Pro USB-C models of the MacBook interface are supported by USB 3.1 Gen 2 (10Gb/s) standard.
Apple also revealed in the support file, Pro MacBook on each Thunderbolt 3 interface can be daisy chain (daisy-chained) 6 units, and only a Thunderbolt 3 interface can be used to power. You can connect multiple power lines to the new Pro MacBook, but the device will only get a power supply from an interface. In addition, if the power supply exceeds the MacBook, Pro 100W will have the potential to damage the risk. And like VGA USB-C multi port adapter or Digital AV USB-C port adapter and other accessories can only provide up to 60W of power, in the 15 inch Pro MacBook charging time may be delayed.
Apple recommends 15 inches MacBook Pro when charging, using standard charger. Equipped with Bar Touch 15 inches and 13 inches of Pro MacBook up to two sets of the highest 15W and two highest 7.5W devices to provide power. Bar MacBook is not equipped with a 13 inch Pro Touch is up to a 15W and a 7.5W device to provide power.