Amazon.com: 1000BASE-T SFP to RJ45, 1.25G SFP-T Gigabit SFP Copper RJ45 Module Mini GBIC Transceiver for Ubiquiti UF-RJ45-1G, Supermicro, Netgear, Broadcom, Other Open Switches, up to 100m : Electronics
SFP+ to RJ45 connection in Data Center : EDGE Optical Solutions
Mikrotik RJ45 SFP copper module 10/100/1000/2.5G/5G/10G with auto negotiation :: Fiber and Ethernet :: ICD Group, Inc