Designed to sit flush against the Surface Pro 7 2-SuperSpeed+ USB 3.1 Gen 2 ports provide up to 10 Gbps transfer speed, which is 2x faster than USB 3.0, and 20x faster than USB 2.0 Supports HDMI resolutions up to 4K @ 60 Hz with High Dynamic Range (HDR) and 3D vision USB-C 3.1 Gen 2 with PD 3.0 provides up to 60W of charging power + data transfer Memory card reader/writer slots allow for external memory access up to 2 TB, supporting microSD and SD 3.0 UHS-I with data transfer speeds up to 104 Mbps