Product Type: Network Adapter Network / Interface Type: USB; RJ-45 Data Transfer Rate: 2.5 Gbps Transport Protocol: Ethernet Data Link Protocol: Ethernet Connectivity Technology: Wired Enclosure Color: Black With 2.5Gbps-capable switches/routers, the Lenovo USB-C to 2.5G Ethernet Adapter is quick and easy way to connect your USB-C enabled notebook to Ethernet connections. It's ideal for imaging of systems or transferring large files quickly.