Multifunctional ports Thunderbolt 3: up to 5k or 2x4k to 60Hz video, data speed up to 40Gb/s, PD charge USB-C port – data speed of 5 Gb / s 2 USB 3.0 ports – data speed of 5 Gb / s SD card reader / Micro – up to 104MB / s USB connection-C Fast Thunderbolt 3 additional port.