What is the maximum data transfer rate of the StarTech.com USB C to Gigabit Ethernet Adapter?

The maximum data transfer rate is 5 Gbps, as it supports USB 3.1 Gen 1.

What types of devices can I connect using the StarTech.com USB C to Gigabit Ethernet Adapter?

You can connect to a GbE Network from USB-C/Thunderbolt 3 laptops including MacBook, MacBook Pro, Surface, Surface Book, and Chromebook.

double click image to zoom in

StarTech.com USB C to Gigabit Ethernet Adapter with USB A Port - White 1Gbps NIC USB 3.0/3.1 Type C to RJ45 Port/LAN Network Adapter TB3

SECURE WIRED CONNECTIVITY: Portable USB C to Gigabit Ethernet Adapter allows you to connect to GbE Network from USB-C/Thunderbolt 3 Laptop incl. MacBook/MacBook Pro, Surface/Surface Book, & Chromebook
EXTRA USB 3.0/3.1 PORT: USB-C to Ethernet and USB Adapter adds a RJ45 Ethernet Port for wired LAN access and an additional open USB Type-A Port for connecting another peripheral device
USB-C or TB3
1x RJ45
1 x USB Type A Device Port
1 Gbps Data Speed