This product is a Thunderbolt 4 desktop docking station, compatible with Thunderbolt 3, USB4 computers and USB-C full-featured interfaces for laptops/host devices. 1 HDMI port supports the latest standard version 2.1, as well as DP1.4 up to 8K resolution and Thunderbolt 4 expansion; 2 Gen2 USB-C and 1 Gen2 USB-A data port up to 10Gbps high-speed transfer rate, can be connected to a hard disk, U disk, keyboard, mouse, card reader, etc., of which 1 data interface support PD18W fast charging function, there are 2 Gen1 USB-A interface, a total of 5 data interfaces (2C + 3A), sufficient data interfaces to meet the needs of daily use; 1 RJ45 network port can be Provide up to 1000Mbps (1Gbps) ultra-fast speed of the stable network environment; SD4.0 and TF4.0 to solve the problem of reading memory cards, a DC power supply interface 130W power can be a maximum of 60W to support the computer power supply to ensure that a long period of time without power. This product needs to be connected to the DC power supply to be used.