Super Power Supply USB 3.0 to Gigabit Ethernet NIC Network Adapter 10/100/1000 LAN RJ45 IEEE 802.3 802.3u 802.3ab 10BASE-T 100BASE-TX 1000BASE-T Compatible Compatible with Gigabit Ethernet Networks, Powered by USB USB to RJ45 Adapter Super Power Supply are manufactured and tested to match or exceed OEM products. Trademarked by Super Power Supply. Sold exclusively by Super Power Supply Warranty: 1 Year