Main interface: Type-c Expansion interface: compatible with *1, USB 3.0*3, PD charging interface*1, M.2 SSD box*1 Colour:grey Material:Aluminum alloy Package Contents: 1 x Expansion hard drive box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 6-in-1 M.2 SSD Hub USB C Docking Station: This docking station provides 6 different ports to connect your devices, including M.2 SSD port and USB C port. Can read SATA protocol SSD. USB C to USB 3.0: The USB C to USB 3.0 feature allows you to connect devices with USB 3.0 ports to your laptop or PC via USB C, providing faster data transfer speeds. Disk storage feature: With the disk storage feature, you can easily store and transfer files between devices without requiring additional storage space. His USB-C hub expands device connectivity with 6 ports, including 4K/30Hz for external displays, 3 Hi-Speed USB 3.0 for peripherals, and a PD port for charging while in use. It also has an M.2 SSD port for data transfer using the SATA protocol instead of the NVME protocol. USB 3.0 Type-C to Compatible: USB 3.0 Type-C to compatibility allows you to connect your laptop or PC to an -compatible monitor for a seamless viewing experience.