1. Defining high-performance expansion, RJ45 port,Thunderbolt 3 interface, USB3.0/3.1 data interface, DP interface, data transmission, network access andcharging protocol are all high-performance standards. 2. The Thunderbolt 3 interface has a theoretical rate of40 Gbps and can be cascaded downward to a 5-layer Thunderbolt 3 devices. Charge your laptop up to 60W.The Type-C interface supports a theoretical rate of 10 Gbps. 3. DP interface support to 8K@60Hz resolution. 4. USB3.0 port support to 5Gbps transmission rate. 5. LAN port support to 10/100/1000Mbps adaptive network bandwidth. 6. Built-in 2 M.2 SSD drive slots, supporting M.2 SSD withNVMe and SATA protocol. 7. External DC power, 24V-=-5A(120W), which cansupport the maximum power charging of 60W for the notebook to ensure the operation of devices.8. Support normal earphone, speaker, microphone.etc. 9. Product adopts anodized aluminum alloy. 10. Applicable to Thunderbolt 3 interface, compatible with Windows 10 and above, Mac OS.