It's an USB-C Quad Video Docking Station implements latest DP1.4 MST technology and DisplayLink USB video technology.
 

The DUD3400 USB-C Triple Display Docking Station integrates the DisplayLink and USB-C Alt mode technologies, it is fully compatible with any USB-C and Thunderbolt enabled laptops, and works with Win/Mac/Chrome OS platforms. The dock is designed for the professional users who require more extenternal monitors and connectivity expansion.

The DUD3500 USB-C Triple Video Docking Station integrates the DisplayLink and USB-C Alt mode technologies, it is fully compatible with any USB-C and Thunderbolt enabled laptops, and works with Win/Mac/Chrome OS platforms. The dock is designed for the professional users who require more extended monitors and connectivity expansion.

The DUD3600 USB-C Quad Video Docking Station integrates the DisplayLink and USB-C Alt mode technologies, it is fully compatible with any USB-C and Thunderbolt enabled laptops, and works with Win/Mac/Chrome OS platforms. The dock is designed for the professional users who require more extenternal monitors and connectivity expansion. The dock features 4 video ports of HDMI, supports power delivery up to 96W, provides Ethernet RJ45 connector, audio in/out, SD4.0 card reader and plenty of USB ports to highly increase productivity.

The Thunderbolt 3 PD Dock is designed for extra connectivity demands. With this docking station, you can extend the connection of a computer to more USB peripherals such as Ethernet network, the speaker and the microphone. Adopting PD Charging technology, upstream charging function through Thunderbolt interface, you can charge the laptop. In addition, the driver is included in the docking station; therefore, you do not need to install extra drivers. Just plug and play; then you are connected with Thunderbolt embedded device.
 

The Thunderbolt 3 PD Dock is designed for extra connectivity demands. With this docking station, you can extend the connection of a computer to more USB peripherals such as Ethernet network, the speaker and the microphone. Adopting PD Charging technology, upstream charging function through Thunderbolt interface, you can charge the laptop. In addition, the driver is included in the docking station; therefore, you do not need to install extra drivers. Just plug and play; then you are connected with Thunderbolt embedded device.
 

DBC1240 Thunderbolt 3 8K UHD Dock, which is an amazing connectivity for your MacBook or Windows laptop. For professional user who need high-resolution images for digital content, the DBC1240 which is equipped with DP1.4 to support up to 8K display.

Thunderbolt™ 3 Dual 4K Dock is deigned for extending connectivity demands on both Windows® and Mac OS® with bandwidth up to 40Gbps, providing high speed data transfer. It is equipped with DP1.4 to support single 8K or dual 4K display, as well as quick charging with a single cable simultaneously.

The DBC15A0 Thunderbolt™ 3 Mini Dock provide the cost-effective yet powerful function dock solution for extending connectivity demands on both Windows^® and MacOS^® with bandwidth up to 40Gbps. It is a best single cable docking station to provide super speed transfer and support single 8K or dual 4K, allowing user to do multi-task and enhancing productivity. It’s convenient cable management design can make travel easier.

The Thunderbolt 4 / USB4 Compact Dock is designed for extra connectivity demands and supports Thunderbolt 4 and USB4 hub function with Intel Thunderbolt 4 solution Goshen Ridge. It can support all USB function from traditional USB 2 to USB4, VESA Alternate mode ( MFDP ), Thunderbolt 3, 4 . It also can support dynamic PD up to 85W to charge the laptop. With additional USB-A port, it can support legacy USB device up to USB 3.1 Gen 2.