Amazon.com: 6COM 10GBase-T SFP+ Copper Transceiver, 10G SFP 10G-T RJ45 Module up to 30 Meters, Compatible with Ubiquiti UF-RJ45-10G, Netgear AXM765, and Other Open Switches : Electronics
10 Gigabit Ethernet - Wikipedia
Cisco WS-X4908-10G-RJ45 8-Port 2:1 10GBase-T Line Card for 4900-Meter Series