The TBT3-UDV Thunderbolt 3 docking station has two USB host controllers for the five USB data ports.
Identifying the ports and host controller
The TBT3-UDV dock includes both a Fresco FL1100EX USB 3.0 Host Controller and an Asmedia ASM1042A USB 3.0 Host Controller. The ports are labeled "Fresco" and "ASMedia" in the rear view of the docking station below.

The front-facing USB Type-C and "Top" two USB Standard-A ports (top in the vertical orientation, or the left most when facing the rear in the horizontal orientation) are controlled by the Fresco USB host controller. The "lower" two USB Standard-A port on the rear (right-most in the horizontal orientation) are controlled by the ASMedia USB host controller.
Applicable To
- Plugable TBT3-UDV
If you have any questions please feel free to contact us at support@plugable.com and we'll be happy to help!