This 6 in 1 Microware USB Type-C Hub can instantly expand your MacBook Pro 2016 2017 capabilities. USB 3.0 Type-A port: Data transfer up to 5 Gbps Thunderbolt 3 USB-C port Data transfer: up to 40 Gbps Video output: up to 5K 5120 x 2880 60Hz Charging: up to 100 W of power delivery Standard USB-C port: Data transfer: up to 5 Gbps SD/TF card slot: Supported memory card capacity: up to 512GB Supported memory card type: 1 SD SDHC SDXC SD 3.0 UHS-I memory cards. 2 Micro SD SDHC SDXC Micro SD 3.0 memory cards Read Write speed: up to 104 MB S System requirements. The Thunderbolt 3 USB-C port supports data transfer video output and charging while the standard USB-C port only supports data transfer and does not support USB-C video output or USB-C charging. Compatible displays and cables are required to achieve maximum video resolution. One USB-A port supports a charging output of up to DC5V 900 mAh and two USB-A ports support a total charging output of DC5V 1.5A. USB-A port is not recommended for charging. SD and TF card slots can be used simultaneously.