1、8 Ports: Expand your device to 4K at 30Hz HD Multimedia Interface via USB C port, USB C data port, 3 USB A data ports, 100W PD charging port, Storage Card, Memory Card reader. 2、Fast Charging: The USB port expander provides up to 100W high speed pass through charging for your laptop. Another USB C data transfer port allows you to easily connect other Type C devices. 3、5Gbps Data Transfer: The USB C Dock adds a USB 3.0 port for connecting USB peripherals such as flash drives, hard drives, keyboards, mice, printers, and more. Supports ultra fast data transfer up to 5Gbps, allowing you to transfer HD movies or files in seconds. 4、480MB/s Read and Write Speed: The Memory Card and Storage Card slots support different memory card formats, and the fast read and write speed of 480MB/s allows you to easily access your files. 5、4K Resolution: You can mirror or extend the USB C host screen to an HDTV, monitor or projector with resolutions up to 4K at 30Hz UHD (3840 x 2160 at 30Hz) via the HD Multimedia Interface output port. Item Type: 8 in 1 USB C Hub Material: Aluminum Alloy Color: Grey Output Interface: USB C to 3xUSB3.0, HD 4K, USB C (PD Charging), USB C (Data), Storage Card, Memory Card HD 4K Interface: 1080P at 60Hz, 4K at 30Hz USB3.0 Interface: 3, 5Gb/s PD Charging: Up to 100W Storage Card Slot: 480MB/s Memory Card Slot: 480MB/s USB C Interface: Data Transfer 1 x USB C Hub