Amazon.com: 10GBase-T SFP+ to RJ-45 Transceiver, 10Gbe SFP+ Copper Ethernet CAT6a Module, up to 30-Meter, for Cisco SFP-10G-T-S, Meraki, Ubiquiti UniFi UF-RJ45-10G, Fortinet, Netgear, TP-Link TL-SM5310-T and More : Electronics
MTB-RJ 1G/2.5G/5G/10GBASE-T SFP+ Copper RJ45 Transceiver - Planet Technology USA
Amazon.com: 6COM 10GBase-T SFP+ Copper Transceiver, 10G RJ45 Module, up to 30 Meters, Compatible for Intel E10GSFPT and Other Open Switches : Electronics
SFP 1 Gigabit Ethernet Interface Kit | Ettus Research, a National Instruments Brand | The leader in Software Defined Radio (SDR)