This product is either discontinued or we cannot get that from suppliers.
Brand: Simplecom, Model: NU301, Interface: USB 3.0 to RJ-45 Ethernet, Network Support: 10BASE-T, 100BASE-TX, and 1000BASE-T, Protocol Support: IPv4/IPv6, Backwards Compatible: Yes, USB 2.0, LED Indicators: Yes, Supported Features: Wake-on-Lan (WoL), Full-Duplex (FDX) and Half-Duplex (HDX) Ethernet.
Simplecom NU301 SuperSpeed USB 3.0 to Gigabit Ethernet Adapter brings Gigabit Ethernet connectivity to your Ultrabook, notebook, or tablet and future-proofs your network connection with high bandwidth at up to 1000Mbps.