TRENDnet USB-C 3.1 to 2.5GBASE-T Ethernet Adapter (TUC-ET2G)
Here is a closer look at TRENDnet USB-C 3.1 to 2.5GBASE-T Ethernet Adapter (TUC-ET2G).
About
An enterprise-oriented 2.5Gbps adapter with hardware-level IEEE 802.1Q VLAN tagging and 802.1p QoS prioritization for managed-switch environments, plus NDAA/TAA compliance for US/Canada government procurement. Ships with legacy driver CDs; official OS support only lists Windows 7-10 and macOS 10.13.x, with no modern Linux or ChromeOS listed.
Ports: 1× Ethernet (2.5GBASE-T) and 1× USB-C (fixed 14.2cm cable, includes USB-A adapter)
Confirmed with
- Notebook (generic)
Confirmed on a Lenovo X1 (Windows 11), instantly linking at full 2.5Gbps. The same exact dongle only negotiates 1Gbps on a 2019 MacBook Pro running macOS Sonoma — a documented macOS-side link negotiation limitation, not a cabling issue.