This product is either discontinued or we cannot get that from suppliers.
Network Controller: RTL8156, Data transfer rate: 2.5 Gbps, Network operation mode: Full duplex, Interface: USB 3.2 Gen 1 Type C (compatible with Thunberblot 3 interface), Power: USB power supply, Operating temperature: 5 - 35 °C.
The AS-U2.5G is also backwards compatible with Gigabit Ethernet and 100-Megabit Ethernet using USB 3.2 Type-C. Supporting Windows, macOS, Linux, and ADM; laptops, desktops and NAS devices demonstrates.