Amazon.com: SFP to RJ45, Gigabit SFP Copper RJ45 Module 1000BASE-T Transceiver for Ubiquiti UF-RJ45-1G, Supermicro, Netgear, Broadcom, Other Open Switches, up to 100m : Electronics
Amazon.com: 100/1000BASE-T Copper SFP to RJ45 Module, Auto-Negotiation Gigabit Mini-GBIC RJ45 SFP Transceiver, Compatible for Cisco GLC-T(10/100/1000), SFP-GE-T(10/100/1000Mbps), up to 100-Meters Over Cat5e : Electronics