Iperf3 9.22 Gb/s results received from client (45ft Cat6) and host through my switch. The client NIC uses ASUS XG-C100C, the host uses Mellanox ConnectX-3. It gets pretty hot, but that seems to be the case with these 10GBase-T transceivers. Just let it cool (or put on gloves) if you need to take it off, it's not difficult.
10GBase-T SFP+ Transceivers, 10G Copper RJ-45 SFP+ CAT.6a, up to 30 meters, π Cisco SFP-10G-T-S Compatible, Ubiquiti UniFi UF-RJ45-10G Supported, Fortinet, Netgear, D-Link, Supermicro (Pack of 2)
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