(1) USB 3.1 Gen 2 Type-C port - power delivery 5V up to 3A (15W).High-power USB support is required for compatibility with the Apple SuperDrive and Apple USB keyboard, and is required to enable high-speed charging for Apple iPad, iPhone, and other higher-power capable devices. To enable high-power USB support, an easy software update is required, including restart following this installation.Any Mac or Windows PC with a built-in Thunderbolt 3 port.U.2 Interchange System for Mercury Helios 3S.