Amazon.com: 10G SFP+ to RJ45 for Cisco Meraki MA-SFP-10G-T 10GBASE-T SFP+ Copper RJ-45 30m Transceiver Module : Electronics
Amazon.com: 6COM 10GBase-T SFP+ Copper Transceiver, 10G RJ45 Module, up to 30 Meters, Compatible for Intel E10GSFPT and Other Open Switches : Electronics